tink921

11.12.2020 • 

Chemistry

*MULTIPLE CHOICE* Which of the following is an example of when an electron absorbs energy ?

• When an electron releases a photon.

• When it maintains constant energy and doesn’t change its energy level.

• When it goes from the second energy level to the fourth

• When it goes from the fourth energy level to the first.

Ответ:

miguel454545

11.12.2020

Chemistry

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The answer is the third choice because an electron goes into an excited state when energy is absorbed. Therefore, it will move to a higher energy level.

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Ответ:

sarinaneedshelp01

21.06.2021

Chemistry

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Measuring the mass of metal used in a reaction would be an example of a quantitative observation.

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