Answer:
A
Explanation:
0.2g of atom of nitrogen is the one that weigh least cause of.2g is not up to one mole of nitrogen
Explanation:
When a chlorine atom forms an ion, it gains electrons, making it negative. A neutral chlorine will become a chlorine with a -1 charge. When it gains an electron, the radius increases.
When a sodium atom forms an ion, it loses electrons, making it positive. A neutral sodium will become a sodium with a +1 charge. When it loses an electron, the radius decreases.
The answer would be B since it forms a solid
D, developing medicine, analyzing compounds and producing new product such as plastic both have to deal with chemistry. Since all need the knowledge of elements, compounds, etc.
