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Harlamova29_29 [7]
2 years ago
7

Most atoms follow the octet rule meaning they need ------ electrons to fill their valence shells. One important exception is H w

hich only needs ------------ electrons to fill its valence shell.
full they blank
Chemistry
2 answers:
Ilia_Sergeevich [38]2 years ago
6 0
1. 8 (oct means that eight, good way to remember this!)
2. hydrogen has ONE valence electron!

hope this helps :)
Serggg [28]2 years ago
5 0

Answer:

The octet rule means that atoms need a total of 8 valence electrons to fill their valence shell. Hydrogen only needs two to fill its valence shell.

Explanation:

All atoms except for hydrogen can hold a total of 8 valence electrons in their outer energy levels (2 in the s level, 6 in the p level). Hydrogen only has two electrons total, so it does not require more than the s level and two electrons to have a full valence.

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