A covalent compound that shares two pairs of electrons.
What is it?
1 answer:
The two oxygen atoms share two pairs of electrons, so two covalent bonds hold the oxygen molecule together
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Yes, mass never changes. No exceptions.
B.) Valence Electrons. The nucleus of the valence electrons attracts and pulls atoms together.
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Explanation:
Answer:
HgO (empirical formula)
Explanation:
4.08 - 3.78 = 0.3g (oxygen)
0.02 : 0.02
0.02/0.02 : 0.02/0.02
1 : 1 (ratio)
HgO ( empirical formula)
2HgO ----> 2Hg + O2 ( your equation correct)
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