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Lyrx [107]
3 years ago
7

If an atom has 7 valence electrons, how many electrons does it need to gain to achieve a stable electron configuration?

Physics
2 answers:
Doss [256]3 years ago
6 0
It only needs one more to make it stable 
nydimaria [60]3 years ago
4 0
An even number of electrons so 1 electron plz give brainliest i rlly need it!!!
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If an object moves twice as fast how do you think its energy changes? halves
il63 [147K]

Answer:

If an object moves twice as fast its kinetic energy quadruples.

Explanation:

The kinetic energy (K₁) of a body of mass (m) that moves with speed (v) is:

K₁= 1/2 * m* v²

If we double the speed of the body, its kinetic energy (K₂) will be:

K₂= 1/2 * m*( 2v)²

K₂= 1/2 * m* 4 *v²

K₂= 4(1/2 * m *v²)

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Answer:

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Explanation:

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Answer:

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Explanation:

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2 years ago
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We now have an algebraic expression with only one variable, which can be solved. Once we have that, we can plug it back into one
Len [333]

Answer:

A=1

B=-2

Explanation:

Part A and B of the question wasn't given, however, I attached the relevant parts to solve this question as follows.

From part B as attached, it shows that the right option is C which is

2A+3B=-4

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2A+3(3A-5)=-4

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