The correct answer is
B.The elements all have three valence electrons
Answer:A
Explanation:2 phosphorus and 2 oxygen
Answer:
A solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
Explanation:
The answer is sodium hydroxide
Answer:
If we increase the temperature, the average kinetic energy increases, and that means the molecules are more likely to have enough kinetic energy to go into or stay in the gas phase. (Thus, they are called intermolecular forces, to separate them from the forces inside molecules that hold the molecules together.)
Explanation:
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