If an atom has 123 protons, and a mass of 256, what is the atomic number of this element?
A. 123
B. 256
C. 133
D. None of these​

Answers

Answer 1
123. The atomic number is always equal to the number of protons. It’s also always equal to the number of electrons

Related Questions

Baby neurons are found in the brains of _____, providing evidence for the concept of _____.
A. only children; neurogenesis

B. only children; lateralization

C. both adults and children; neurogenesis

D. both adults and children; lateralization

Answers

the correct answer is C

Answer: c

Explanation:

AMOEBA SISTERS: VIDEO RECAP
PHOTOSYNTHESIS AND CELLULAR RESPIRATION COMPARISON
If Chloroplasts and Mitochondria Could Speak
If chloroplasts and mitochondria could only speak! Decide whether each quote could be stated by a
chloroplast (label "C"), mitochondria (label "M"), or both organelles (label "CM").
7. My main goal
is to produce a lot of
ATP energy.
8.
contain
pigments to help
capture light energy.
9. Oxygen gas
production will happen
within me.
10.
I can be
found in plant cells.
11.
I can be
found in animal cells.
12. Carbon
dioxide gas production
will happen within me.
13.
Muscle cells
would contain a lot of
me.
14.
Water
production will happen
within me.
Nesu
15.
Glucose
production will
happen within me.
pore
16. I would be
found within a
photosynthetic protist.
17. I am the site
of aerobic cellular
respiration.
18.
Krebs and the
Electron Transport Chain
both happen within me.
19.
I contain
chlorophyll.
20.
The Calvin
Cycle
bannens

Answers

Answer:

55

Expla30-3=27

The notation for each part is as follows: 7. M 8. C 9. C 10. C 11. M 12. C 13. M 14. C 15. C 16. C 17. M 18. M 19. C 20. C.

M - Mitochondria (My main goal is to produce a lot of ATP energy): This quote refers to mitochondria because they are the organelles responsible for producing ATP energy through aerobic cellular respiration.

C - Chloroplasts (Contain pigments to help capture light energy): This quote refers to chloroplasts because they contain pigments, such as chlorophyll, that capture light energy during the process of photosynthesis.

C - Chloroplasts (Oxygen gas production will happen within me): This quote refers to chloroplasts because during photosynthesis, oxygen gas is produced as a byproduct.

C - Chloroplasts (I can be found in plant cells): Chloroplasts are specific to plant cells and are responsible for carrying out photosynthesis.

M - Mitochondria (I can be found in animal cells): Mitochondria are present in both plant and animal cells and are involved in cellular respiration.

C - Chloroplasts (Carbon dioxide gas production will happen within me): During photosynthesis, chloroplasts utilize carbon dioxide to produce glucose and release oxygen as a byproduct.

M - Mitochondria (Muscle cells would contain a lot of me): Mitochondria are abundant in muscle cells because they are responsible for generating the energy needed for muscle contraction.

C - Chloroplasts (Water production will happen within me): During photosynthesis, water is split to release oxygen and provide electrons for the light-dependent reactions in chloroplasts.

C - Chloroplasts (Glucose production will happen within me): Chloroplasts convert carbon dioxide and water into glucose during the Calvin Cycle of photosynthesis.

C - Chloroplasts (I would be found within a photosynthetic protist): Chloroplasts are found in various photosynthetic organisms, including protists.

M - Mitochondria (I am the site of aerobic cellular respiration): Mitochondria are the sites where aerobic cellular respiration takes place, producing ATP energy.

M - Mitochondria (Krebs and the Electron Transport Chain both happen within me): The Krebs cycle and the Electron Transport Chain, which are part of aerobic cellular respiration, occur in the mitochondria.

C - Chloroplasts (I contain chlorophyll): Chlorophyll, the pigment responsible for capturing light energy, is found in chloroplasts.

C - Chloroplasts (The Calvin Cycle): The Calvin Cycle, a series of reactions that occur in chloroplasts, is responsible for converting carbon dioxide into glucose during photosynthesis.

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Which is the best hypothesis for the scientific question "How does light intensity affect the rate of photosynthesis?"
O Light intensity, CO2 concentration, and temperature are factors that determine the rate of photosynthesis.
O Light intensity has no effect on the rate of photosynthesis,
• If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.
Light intensity has an impact on the rate of photosynthesis.

Answers

Answer: • If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.

Explanation:

its good to think about the hypothesis as an if then statement. Example:  If the independent variable(light intensity) is changed than the dependent variable(rate of photosynthesis) with be effected in this way.

Drag each tile to the correct location. Match each type of plant to the correct image.

Answers

Answer:

How is anyone supposed to answer that when there’s no pictures to match so we can answer it

Explanation:

How many deciliters are there in one liter?

Answers

Answer:

I think its 10

Hope this helps but I might be wrong

Foods used by animal cells include starches, sugars, and:

Answers

Foods used by animal cells include starches, sugars, and: CELLULOSE
Starch or banana a like ink

which statement accurately describes binary star systems

Answers

Answer:

A binary star is a star system consisting of two stars orbiting around their common barycenter. Systems of two or more stars are called multiple star systems. These systems, especially when more distant, often appear to the unaided eye as a single point of light, and are then revealed as multiple by other means.

A star system consists of two star orbiting around their common barycenter. Systems with two or more stars are usually called multiple star systems.

Hope that helped.

I will give brainliest

Describe the appearance of the red blood cells in the 0.15 mol dm -3 salt solution and the red blood cells in the 0.20 mol dm -3 salt solution. ​​

Answers

Answer:

Red blood cells placed in a solution with a lower water concentration compared to their contents (eg 1.7 per cent salt solution) will lose water by osmosis and shrink. Water will diffuse from a higher water concentration inside the cell to a lower water concentration outside the cell

cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. ... If placed in a hypotonic solution, a red blood cell will bloat up and may explode, while in a hypertonic solution, it will shrivel—making the cytoplasm dense and its contents concentrated—and may die.Red Blood Corpuscles) will swell if they are placed in a hypotonic solution. The cells will gain water by osmosis. The cells might burst and rupture if they are placed in hypotonic solution for a longer time.

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The information regarding the appearance of the red blood cells is described below:

The following information should be considered:

Red blood cells should be put in a solution with a less water concentration that should be compared to their contents (eg 1.7 per cent salt solution) will lose water via osmosis and shrink. Water should be diffuse from a higher water concentration inside the cell to a lower water concentration outside the cell

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ASAP need help


The louse Cymothoa exigua lives inside the mouth of certain fish. It attaches to the fish’s tongue, strangling it until it falls out. Once the tongue falls out, the louse functionally replaces it. Generally, this is thought of as a parasitic relationship.


What criteria would need to be met for this relationship to be considered parasitic? Is it possible that this relationship could be an example of mutualism or commensalism? Use what you have learned to classify this relationship and explain your reasoning.

Answers

Answer:

A parasitic relationship is the one in which parasite or the organism that feeds upon the host benefits while the host organism is negatively affected.

This relationship cannot be classified as mutualism or commensalism

To Understand the relationship between louse Cymothoa exigua and fishes we need to understand the following:

What is a parasitism?

A parasitic relationship occurs when one creature, the parasite, feeds on another organism, the host, causing injury and possibly death to the host. A parasite lowers the fitness of its host while increasing its own, usually by getting food and shelter.

What is a mutualism?

Mutualism is a type of relationship in which both live organisms benefit equally and no one is harmed. Lichen is a mutualistic association between a fungus and algae, for example. ALgae provides food to fungus by photosynthesis and in return the fungus provides nutrients to algae.

What is Commensalism?

commensalism is a relationship between members of two species in which one derives food or other benefits from the other without harming or benefiting the other.Orchids are a type of flowering plant that grows on tree trunks and branches. Orchids rely on the host plant's branches for sunlight and nourishment.  on the other hand, they provide no benefit or harm to the host plants.

Hence this relationship cannot be an example of either mutualisma and commensalism because the host fishes are harmed as their tongue falls out due to  louse Cymothoa exigua and in return the parasite attaches itself to the host and feeds on them

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transport of oxygen in the blood is carried out by the cells known as; A.Leukocytes B.Erythrocytes C.Thrombocytes D.Hepatocyte​

Answers

Answer:

Erythrocytes. They are red blood cells that travel in the blood. Their characteristics of being red, round, and like rubber give them the ability to complete their specific functions. They carry oxygen from the lungs to the body and bring carbon dioxide from the body to the lungs.

Explanation:

how does the shape of the worm change as it move

Answers

In earthworms, each segment can move independently, so that alternating contractions between the two different sets of muscles in many different segments create shape changes all along the body. This produces accordion-like body movements that help the worm push through soil and maneuver through small spaces within

Akeem cut his finger during an investigation, and it is bleeding slightly. Before helping him bandage the wound, which precaution should the teacher take?

Answers

The teacher should clean the wound

Explanation:

the cut could've gotten something in it

The teachers gotta clean the cut

Type of physical change

Answers

Answer:

winds

Explanation:

Answer:

the answer is b hhshsbshushshs

Describe how scientific investigations lead to new scientific questions.

Answers

Answer: if new investigations occur, new questions would have to be asked to find out the things that are being researched.

Explanation:

how do i find out the eyepiece magnification?

Answers

Answer:To calculate the magnification, we just need two numbers:

The telescope’s focal length (for example, 1200mm)

The eyepiece’s focal length (for example, 25mm)

Explanation:

describes lipids in water

Answers

Answer:

Ok

Explanation:

Molecules such as proteins, nucleic acids, and carbohydrates have an affinity for water and are called hydrophilic (“water-loving”). Lipids, however, are hydrophobic (“water-fearing”). Some lipids are amphipathic—part of their structure is hydrophilic and another part, usually a larger section, is hydrophobic. Hope this helped

Which fuel does the circulation of blood provide for cellular respiration and healing?
A. oxygen
B. protein
C. iron
D. ATP

Answers

Answer:

A. Oxygen

Explanation:

During cellular respiration the cell uses oxygen to break down sugar. When sugar breaks down it produces energy in which your body needs. Blood picks up oxygen and releses carbon dioxide into your lungs.

Hope this helps!!

The fuel responsible for the circulation of blood is oxygen.

It is very important for blood circulation to occur in the body. This is very essential so that all  the cells and organisms are sufficiently funded with enough oxygen that is needed for them to function properly.

The fuel which enables proper amount of blood to spread/circulate round the body is oxygen. Oxygen is required during cellular respiration to break down sugar which then leads to the production of carbon dioxide and then releases energy for the body to work well.

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The question is all in the image above..

Answers

Answer:

i think it is the 3rd one

on: What does a cactus, house fly, and your grandmother have in common?

Answers

Answer:

They are all living organisms

Explanation:

A cactus, a house fly, and the grandmother all are living organisms. All the things show characteristics such as growth, metabolism, reproduction, etc. Thus, all can be considered as living things.

What are living organisms?

A living organism is composed of different types of cells. The cell is the basic unit of life. These cells divide, and the body of the organisms show growth due to the increase in the number of these cells.

A cactus, a house fly, and the grandmother all are living organisms and show the defining properties of living things. These properties include growth, metabolism, and reproduction.

All the organisms grow with time as the cells undergo division and show metabolism as the cells undergo different reactions such as respiration, etc. All these organisms reproduce to form new organisms which are similar to themselves through the process of sexual and asexual modes of reproduction.

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A lion cub has the alleles B/B for a specific gene. Which of the following
parents could NOT be the father of this cub? *
А/В
А/С
B/C
B/B

Answers

i think it would be BC

16. Think about the path of light entering and travelling through
the eye and then this information is passed to the brain for
interpretation. Any of these parts may be damaged by injury or
infection. Write at least 3 examples of how you could become
blind following various types of injuries. ??

Answers

chemical exposure, lacerations, and hyphen as

What reasons are there to take an All Species Inventory?

Answers

Answer:

An attempt to document and identify all biological species living in some defined area, usually a park, reserve, or research area. The numbers of species on earth is rapidly diminishing, knowing what species are around will give us an idea of what we're losing, how our actions are affecting the environment.

An attempt to document and identify all biological species living in some defined area, usually a park, reserve, or research area. The numbers of species on earth is rapidly diminishing, knowing what species are around will give us an idea of what we're losing, how our actions are affecting the environment.

HELPPPPPPP ITS URGENT!!

Answers

Answer:

all

Explanation:

represents an observation is fact

offers an explanation is theory

defines a relationship is laws

hope it helps

Which of the following is a correctly written scientific name in proper binomial nomenclature?
A. [tex] \underline{\sf{oryza \: sativa}} [/tex]
B. Gnetum gnemon
C. [tex] \underline{\sf{Zea \: mays}} [/tex]
[tex] \: [/tex]
Please include an explanation.​

Answers

Answer:

I think C because it is underlined and the species name is written in lower case letters and the genus name the first letter is written in upper case letters.

Which type of carbohydrate is this?

A) Monosaccharide
B) Simple sugar
C) Complex carbohydrate
D) Disaccharide

Answers

Answer:

A

Explanation:

monosaccharide is derived from mono, meaning "one", and saccharide, meaning "sugar". The common monosaccharides are glucose, fructose, and galactose. Each simple sugar has a cyclic structure and is composed of carbon, hydrogen and oxygen in ratios of 1:2:1 respectively. Although each sugar mainly exists as a cyclic compound, it is important to note that they are all in equilibrium to a small extent with their linear forms.

While galactose and glucose are composed of six-membered rings, fructose has only five carbon atoms bonded to each other in ring form.

Which states would be the most likely to experience the next volcanic eruption AND earthquake in the United States? List at least 3 for each hazard and explain why they might happen there.

Answers

Answer:

AlaskaWashingtonHawaiiCaliforniaOregon

Explanation:

Eruptions along the western edge of the United States have formed the Cascades volcanic mountain range.  Also, they develop island chains, such as the Aleutians in Alaska, which makes Alaska a potential volcanic eruption place. A prominent example of an eruption along the Ring of Fire was the dramatic eruption of Mount Saint Helens in Washington in 1980, which makes Washington a potential volcanic eruption state.  Deep beneath Hawaii, there is a fixed source of abundant rising magma, called a hot spot, making Hawaii likely to be a volcanic eruption state. In 2018, they added Salton Buttes to the 2018 assessment, which is a high threat of a volcanic eruption. In other words, California is likely to be a volcanic eruption state. Eleven of the eighteen very high threat volcanoes are in Oregon, and few other states, where explosive and often snow- and ice-covered volcanoes can project dangerous long distances to densely populated and highly advanced areas.

The food we eat provides the needed for life functions.

Answers

Answer:

it depends on what your eating when you eat your body digests the food and uses what it can to provide what your body needs  

Explanation:

Q: Explain why a coalition might be more effective at the local level than at the national level. Give
at least THREE reasons.

Answers

Coalition might be more effective at the local level than the national level because the people at the local level usually share same culture and have a common goal.

Coalition is a group that is formed by people or factions who partner and work towards a common goal. The main aim of coalition is to bring about a particular change.

Coalition might be more effective at the local level than at the national level because the people at the local level usually share common goal. Also, the people at the local level usually share a common culture unlike the national level when different cultures are being considered.

In conclusion, people at the local level also understands themselves better which helps in an effective coalition.

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The sperm of the gametophyte in moss and ferns require _________ as transport for fertilization to occur.
A. bees
B air
C birds
D water

Answers

Answer:

D water. (so sorry if it's wrong)

Answer:

D. water

Explanation:

Why is it important for scientists to state a conclusion?

Answers

Answer:

I'd say a

Explanation:

A conclusion is just reiderating their points, not really proving reliability to other scientists. A conclusion wouldnt be to make an educated guess, either. it could possibly be c too, but i dont think concluding comments would be to explain exactly why it was performed, more like an end note and close to all their points. I'd go with a.

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