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Juliette [100K]
3 years ago
7

Which electron are the valence electron of the atom

Chemistry
1 answer:
mart [117]3 years ago
8 0

Answer:

In chemistry and physics, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.

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lina2011 [118]

Answer:

The warmer, lighter air rises, bringing cooler, heavier air to low altitudes.

Air at higher altitudes doesn't have as much air weighing down on it from above.

Explanation:

In short - air pressure is the result of the cumulative force that air molecules act on objects below them due to Earth's gravity. The higher the altitude, the less air molecules there are to act a force below them, and therefore, there's less air pressure at higher altitudes.

7 0
2 years ago
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What is the most abundant gas in Earth's present day atmosphere?
Anna007 [38]
Nitrogen. air consists 78% of nitrogen gas
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Why are scientists so concerned about rising levels of CO2? What is it about this particular gas that makes it
Verdich [7]

Answer:

It can trap heat.

Explanation:

8 0
3 years ago
How does energy in a nuclear reaction get created?
nasty-shy [4]
My answer -

A nuclear reactor produces and controls the release of energy from splitting the atoms of uranium. 

Uranium-fuelled nuclear power is a clean and efficient way of boiling water to make steam which drives turbine generators. Except for the reactor itself, a nuclear power station works like most coal or gas-fired power stations.


P.S

Happy to help you have an AWESOME!!! day ^-^


7 0
2 years ago
is it true or false that all atom´s electrons can interact with the electrons of other atom to form bonds
Sveta_85 [38]
False. only valence electrons can bond with other atoms' electrons.
3 0
3 years ago
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