Q+ ( poistive ion ) is an ion of element Q.
What has the highest value in the ion?
The proton number has the highest value in the ion
In an atomic element Q, the mass number is the number of the proton and the neutron, the electron encircles around the nucleus of the atomic element.
Recall that:
The electron is usually negatively charged;The neutron is a neutralThe proton is usually positively charged.∴
The atomic element Q+ has a positively charged ion, Thus, the proton number in the mass of the atomic element Q, therefore, has the highest value in the ion.
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Regardless of how much mass they have, all stars will become a ______?
Answer:
high mass- a red supergiant
low mass-red giant
Explanation:
All stars, regardless of their size, eventually run out of fuel and collapse due to gravity
Calculate the formula mass (Mr) of the compound iron (III) oxide, Fe2O3.
(show working)
Answer:
100
Explanation:
Fe = 26 (look on periodic table)
O = 16
(26×2) + (16×3) = 100
LINKING IN
TECHNICAL OBJECTS
1 a) What is linking?
Answer:
A link is a fastening unit that attaches two parts of an object together
Different types of links have different characteristics
Answer:
Linking is the process of combining all the component object files. The linker determines where the code will reside in memory and how control will transfer between the components.
Question 8
The temperature of a gas is 345K. What is this in degrees Celsius?
0 345°C
O 1.26°C
O 72°C
O 618°C
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A geologist finds an area with a lot of slate, a type of metamorphic rock, on the surface of the land. What might this indicate about Earth's history in this area?
Answer:
Explanation:
Two things that can be deduced by this finding would be that the location was most likely a very muddy area with lots of clay minerals, as well as having lots of crustal movements. This is because slate is created when crustal movement buries clay minerals and other materials in the crust of the Earth. This is later melted and squeezed together from the sheer heat that is applied being so far underground. Therefore, creating what we now know as Slate.
A student did an investigation to determine the effect the amount of air would have on plant growth. She planted identical
plants in 4 separate closed containers with different volumes of air. She measured the height of the plants after they had
grown for 3 weeks.
What is the dependent (responding) variable in her investigation?
Answer:
Explanation:
The responding variable always is measured against the variable that you have control over.
In this case, you have control over the volume of air.
The responding variable is the amount the plant has grown. This would be a good long term experiment to try for a science fair or just because you might be interested. It's a good simple idea.
Which of the three phases of matter solid liquid or gas has particles that are fast moving and independent of each other??? Also this is science class work
The Answer is Solid
Explanation:
the particles in a solid are vibrating very fast and are packed together so they're independent one each other.
Which characteristic describes the traposphere
Answer:
It is the wettest layer of the atmosphere.It extends upto 10km upward from sea level.
Photosynthesis
+ carbon sunlight
dioxide
+
oxygen
sugar +
water +
Cellular
respiration
+ energy
22. Which of the following are examples of mixtures?
I
a jar of nuts and bolts
II trail mix consisting of a variety of nuts and dried fruits
III carbon monoxide gas coming out of a car's exhaust pipe
an
pare
A. I and II only
C. I and III only
B. I and III only
D. I, II, and I
23. Which of the following lists contains only individual elements?
A. water, sugar, and salt
B. carbon, copper, and iron
C. tomato juice, propane,
D. sulfuric acid, magnesium, and chocolate chip cookies
and soda pop
Answer:
22.)B. l and lll only
23.)D.sulfuric acid, magnesium, and chocolate chip cookies
and soda pop
What is the chemical formula for Tetrasulfur pentoxide?
Answer:
S 4 O 5
Explanation:
the 4 and 5 are little
what is photosysthies
Answer:
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.
Explanation:
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Explanation:
During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds. Photosynthesis provides us with most of the oxygen we need in order to breathe. We, in turn, exhale the carbon dioxide needed by plants. Plants are also crucial to human life because we rely on them as a source of food for ourselves and for the animals that we eat.
I hope this helps all of you!
Directions Solve the given problem below by showing the following:
I ELECTRONIC CONFIGURATION
2. LED structure
GIVEN: Magnesium (Mg) and Oxygen (180).
Explanation:
(a). Write down the electronic configuration of (i) magnesium atom, and (ii) magnesium ion, <br> (At No. of Mg=12) ,brgt (b). Write down the electronic configuration of (i) sulphur atom, and (ii) sulphide ion. <br> (At. No. of S=16).
How many grams of silver are present in 15.0 g of silver sulfate?
Answer:
4676.985 . grams of silver present in 15.0g of silver sulfate
How do the different processes of a rock cycle change a rock? Which processes will form an igneous, sedimentary, and metamorphic rock
how many grams are in 7.4 moles of HgS?
Answer: 1721.6 grams
Explanation:
Single displacement (replacement)
Explanation:
Single displacement (replacement) is kind of reaction in which 1 atom of reactants only change in product.
The diagram below shows two organelles—a chloroplast and a mitochondrion.
How are these organelles similar?
A.
They are both found in animal cells.
B.
They are both designed to create food for the cell.
C.
They both have an inner membrane and an outer membrane.
D.
all of these
Answer:
I think the answer is C because it's TRUE they both do
Explanation:
Sorry I had to do some thinking on that one lol but yeah the first person who answered I think is right
why would a pregnant mother need more calcium than a woman her age that is not pregnant?
Besides building teeth and bones, calcium also keeps your blood and muscles moving and helps your nerves send messages from your brain to the rest of your body. Your body can't make calcium, so you need to get it from food or supplements. While you're pregnant, try to get at least 1,000 mg of calcium every day.
Calcium is a vital mineral. Your body uses it to build strong bones and teeth. calcium is also needed for your heart and other muscles to function properly
Limonene is an oil from oranges and lemons. Click on all the carbon
atoms its structures that have a trigonal planar molecular geometry.
Answer:
See explanation
Explanation:
Limonene is an oil from oranges and lemons. Its structure has been shown in the image attached to this answer.
There are two different groups of carbon atoms in limonene. One group of carbon atoms are sp2 hybridized while the other group are sp3 hybridized. The group of carbon atoms that are sp2 hybridized have a trigonal planar geometry and have been accurately labeled in the image attached while the carbon atoms that are sp3 hybridized were also labelled and have a tetrahedral geometry.
Hence in limonene, there are trigonal planar and tetrahedral carbon atoms.
The nuclear equation below represents the alpha decay of 222/86 Rn --> 4/2 He + X
What is the mass number of the element represented by X?
Answer: The mass number of X is 218.
Explanation:
Alpha decay : When a larger nuclei decays into smaller nuclei by releasing alpha particle. In this process, the mass number and atomic number is reduced by 4 and 2 units respectively.
General representation of an element is given as: [tex]_Z^A\textrm{X}[/tex]
where,
Z represents Atomic number
A represents Mass number
X represents the symbol of an element
General representation of alpha decay :
[tex]_Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}Y+_2^4\alpha[/tex]
[tex]_{86}^{222}\textrm{Rn}\rightarrow _{84}^{218}\textrm{Po}+_2^4\textrm{He}[/tex]
2.What are the 3 effects of acid rain..?
Answer:
1) Damages soil and trees.
2) Makes holes in statues and buildings.
3) Pollutes rivers and lakes.
Answer:
It can harm animals underwater and on land
It has an effects on trees, freshwaters, and soils destroy insects and aquatic life-forms, and weathering stone buildings and sculptures, as well as impacts on human health.
Explanation:
I got it from a video. Hopefully, this helps.
What is the best color? Personally I think its purple.
a. Identify the type of reaction shown:
Li + CaCl2 ---> LiCl + Ca
Answer:
single-replacement reactions
Explanation:
A single-replacement reaction is defined as a chemical reaction in which one strong element replace the other weak element.
The given chemical equation Li + CaCl2 ---> LiCl + Ca is an example of single-replacement reactions in which Lithium (Li) is stronger than Calcium (Ca) and replaces calcium to form bond with Chloride.
Hence, the correct answer is "single-replacement reactions".
Draw the Lewis structure for AB4
002 (part 1 of 2) 10.0 points For :393 g of butadiene (C,11,) calculate the number of moles. Answer in units of mol.
Answer:
7.27 mol C4H6
Explanation:
To calculate moles, divide the molar mass by the grams given
To find molar mass, add the atomic mass of the elements
12.011*4 + 1.008*6 = 54.092 g/mol
393 g * 1 mol/54.092 g = 7.265 mol
The parts of the Earth that contain living organisms
Answer:
Biosphere
The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area.
Explanation:
Answer:
Biosphere
Explanation:The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area. hope this helps (:
True or False: Photosynthesis can happen anytime, regardless of the amount of reactants present or the presence of sunlight.
Answer:
This is false
Explanation:
Im in bio and we just learned this lol
Does a rumor spread faster in a gym where all of
the students can move around freely, or in a classroom where students are
confined to desks? Develop an analogy for the difference in conductivity
between metals and ionic solids.
A rumor spread faster in a classroom where students are confined to desks than in a gym where all of the students can move around freely.
The same applies to conductivity between metals and ionic solids because metals have more close particles.
What is conductivity?Conductivity is the process by which a material is able to transfer electric charge or heat from one point to another without the actual movement of the particles of the substance.
The conductivity of substances varies from one substance to another.
The conductivity of solids is greater than the conductivity of that of other substances.
The conductivity of substances increases with a decrease in the distance between the particles of the substance.
Thus solids that have the closest particles have the highest conductivity.
Liquids have medium conductivity.
Gases have the least conductivity because they have the most spaced-out particles.
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