Answer:
B
Explanation:
B, H2O + Na The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive. Lithium, sodium, and potassium all react with water,
There are two places for electrons in the inner most shell
Atoms are the smallest building block that can affect things, and are many many times smaller then cells. our eyes are not designed to see such small things