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earnstyle [38]
4 years ago
11

When energy in the atom is released what occurs

Chemistry
2 answers:
Damm [24]4 years ago
7 0

What happens when electrons in an atom absorb or release energy, their electrons can move to higher or lower energy levels.

katovenus [111]4 years ago
7 0

a photon is emitted thaT ISthe awsers

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Can someone help.? thanks :)​
laila [671]

Answer:

  • <u>1. Equation: 2x  + 3 = 9x - 11</u>

<u></u>

  • <u>2. Each row has 2 chairs</u>

Explanation:

The variable x represents the number of chairs in each row.

<u />

<u>1. She can form 2 rows of a given length with 3 chairs left over.</u>

Thus, she has:

number of rows  number of chairs in      chairs             number of chairs

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     2                        x                                    3                      2x + 3

<u>2.  She can form 9 rows of the same length if she gets 11 more chairs.</u>

That means that she is short in 11 chairs to have 9x chairs, or that she has 11 less chairs than 9x chairs. Then she has:

  • 9x - 11

<u>3. Equation:</u>

Then, number of chairs she has is 2x + 3 and, also, 9x - 11, which allows to set the equation:

  • 2x + 3 = 9x  -11

<u>4. Solve the equation:</u>

  • 9x - 2x = 3 + 11
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Therefore, each row has 2 chairs, and she has 2x + 3 = 4 + 3 = 7 chairs.

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