Answer:
c.dull appearance
Explanation:
Nonmetals are dull,poor conductors of heat and electricity that have lower melting points than metals,the rest of the answer choice are properties of metal.
Hope this helps :)
covalent bond of N and S
Answer:
Covalent bond between identical atoms
Covalent bonds occur between identical atoms or between different atoms whose difference in electronegativity is insufficient to allow transfer of electrons to form ions. ... The two hydrogen atoms are attracted to the same pair of electrons in the covalent bond.
What is considered a pure substance?
Answer:
A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.
Explanation:
Compound: A substance that contains more than one element
pure substance: is made up of one substance made up of only one type of molecule
in your own words how do plants on Earth affect the amount of carbon in Earth’s atmosphere?
Answer:
Plants take carbon dioxide out of the atmosphere, but they also have other effects, such as changing the amount of evaporation from the land surface. ... The plants absorb carbon dioxide for photosynthesis through the same pores (called stomata). But when carbon dioxide levels are high, the leaf pores shrink.
Explanation:
Who know the answers for both of these or know were to get them from
Answer:
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Answer:
go ahead bro
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need help w this question
Answer:
ok you got it you just need to add.
Explanation:
add 5 times and she what you get.
Based on their definitions, electron affinity could be considered the opposite of
Based on their definitions, electron affinity could be considered the opposite of electron affinity. This is the force required to remove an electron from an atom while it is gaseous, or the propensity of an atom to lose electrons.
What is meant by electron?The electron is a subatomic particle with a negative one elementary charge electric charge. Due to their lack of components or substructure, electrons, which are part of the lepton particle family's first generation, are typically regarded to be elementary particles.
An electron is a negatively charged subatomic particle that can exist either free or bound to an atom (not bound). Along with protons and neutrons, electrons are one of the three primary types of particles that make up an atom. Together, protons, neutrons, and electrons make up the atom's nucleus.
This is the force required to remove an electron from an atom while it is gaseous, or the propensity of an atom to lose electrons. Conceptually, this is the polar opposite of electron affinity.
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The answer would be ionization energy
how many moles are present in 10.0 grams of sodium hydroxide
Answer:
0.25
Explanation:
no.of moles =10/40
Can somebody help me with this please?
Answer:
So what you want to do is to place sulfur on top with the two fluorine's on the bottom left and right hand side at slight angles. You don't want to make it look interconnected as one whole bond. Draw a single line from each "F" to the "S" to model two fluorine atoms bond to one sulfur atom (Single bond, only one electron is being shared between each).
can anyone tell me "what are the exceptions of law of reciprocal proportions??"
(Boost your knowledge questions)
1. Can you light Diamond on fire?
2. What is the difference between a Chemical Process and a Physical Process?
3. How many electrons fit in each shell around an atom?
Answer:
a) Diamond can indeed be set on fire since it is made of carbon. ... Although diamond requires a higher temperature to burn, it does indeed burn via normal carbon combustion. You can even burn diamond in a regular flame if you are patient and conditions are right.
b) In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed. The distinction between physical and chemical change is not clear cut.
c) Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.
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Where does the energy of a hurricane come from? (1 point)
O the Sun
O strong winds
O Earth's spin
O Earth's moon
Answer:
strong winds come from the energy of a hurricane
The energy of a hurricane come from strong wind. The Taino Native American term hurricane, which translates to "bad spirit of the wind," is where the word hurricane originates.
What is hurricane ?A tropical storm that has sustained winds of 74 mph or greater is referred regarded as a hurricane. A storm's eye typically measures 20 to 30 miles in width and can reach distances of 400 miles. Storms can be dangerous because of their torrential downpours, strong gusts, and storm surges.
When warm, humid air begins to rise over water, hurricanes emerge. Cooler air replaces the rising air. Large clouds and thunderstorms continue to grow as a result of this process. Thanks to the earth's Coriolis Effect, these thunderstorms are still expanding and starting to rotate.
Thus, option B is correct.
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Ethanoic acid is a weak acid because
Is a carboxylic acid
Does not irritate the skin
Is not completely ionized in water
Produces one hydrogen ion per molecule
Answer:
is not completely ionized in water
The ethanoic acid (acetic acid) is considered as a weak acid because it does not releases all of its hydrogen in water, rather it dissociates partially and establishes an equilibrium with its conjugate base.
A GIRL WAIKS 10M NORTH,15M EAST AND THEN FINALLY 20MSOUTH FIND HER DISPLACEMENT
Answer:
see this
Explanation:
could you help answer these two question
Answer:
number 29 is D
Explanation: When the moon orbits the earth some of the light reflects off the moon, making it visible on the Earth.
I dont know how to answer 28 fully, is there a picture?
What causes streams to form?
O absorption
O precipitation
O glaciers
O lakes
Answer: essay the answer is B: precipitation
Explanation:
Can someone give me Two methods for monitoring and minimizing a human impact on the environment?
THIS IS DUE LIKE REALLY SOON I RLLY NEED HELP :,)
what are the statement of ethanol
Answer:
Density 0.78945 g/cm3 (at 20 °C)
Melting point −114.14 ± 0.03 °C (−173.45 ± 0.05 °F; 159.01 ± 0.03 K)
Boiling point 78.23 ± 0.09 °C (172.81 ± 0.16 °F; 351.38 ± 0.09 K)
Solubility in water Miscible
Explanation:
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whats valency of nitrogen in N2O3, N2O5 and NO
Answer:
Valency of nitrogen in the given compounds:
N₂O₃ = +3
N₂O₅ = +5
NO = +2
-TheUnknownScientist 72
what is the wavelength of radio waves that have a frequency of 3.20 x 1010 hz?
Answer:9.38 x 10^−3 m
Explanation:
Answer: 9.38 x 10^−3 m
Explanation:
Hund's rule: states that electrons always enter an empty orbital before they pair up.
Answer:
true
Explanation:
the basic fact that determines molecular shapes is that
Answer:
The shape of a molecule is mostly determined by repulsion among the pairs of electrons around a central atom.
mmmmmmmmmmmmmtyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
Answer:
Yes.
Explanation:
Answer:
=0=0==00=0=0=
Explanation:
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The temperature of a gas is increased. Which statement best explains the effect that this has on the motion of gas
particles?
Answer:
The average kinetic energy increases, and the particles collide more frequently.
Explanation:
đơn chất nào sau đây tác dụng với dung dịch axit sunfuric loãng sinh ra khí ?
a đồng
b cacbon
c nhôm
d lưu huỳnh
Answer:
C. Al
Explanation:
2Al+ 3H2SO4(l)------> Al2(SO4)3+ 3H2
