Answer:
C
Explanation:
cold thinks sink and are more dense, warm things rise and are less dense
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The atomic number is 8
Atomic number=number of proton or number of electrons
Answer:
Explanation:
Given that:

From above:

To predict the effect of the addition of Br₂(g);
The addition of Br₂(g) will favor the equilibrium to shift to the left i.e. formation of NOBr
The removal of some NOBr will cause the equilibrium position to shift to the left side. This is because concentration on the left side is decreased and the concentration on the right side will be increased. Thus, the equilibrium will shift towards where the concentration is reduced which is the left side.
Answer:
C. Valence electrons
Explanation:
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Covalent bonds form when electrons are shared between two nonmetals.