Sodium : 74.186%
Oxygen : 25.814%
Answer:
Element: Symbol: Mass Percent:
Sodium. N/A. 78.186%
Oxygen. 0. 25.814%
ans : C
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Answer: H2O2
Explanation:
They are compounds.
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In covalent bonding, the octet rule is important because sharing electrons gives both atoms a full valence shell. As a result, each atom can consider the shared electrons to be part of its own valence shell.
np :)