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abby894927
29.06.2019 •
Chemistry
When electrons gain energy, what can they do? a. drop to a lower energy level b. move to a higher energy level
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Ответ:
B. When electrons gain energy, they have the power to move up to a higher energy level in an atom.
Ответ:
Water is attracted to the sodium chloride crystal because water is polar and has both a positive and a negative end. The positively charged sodium ions in the crystal attract the oxygen end of the water molecules because they are partially negative.