Answer:
2 is the valancy of alkine
Answer:
Manganese(II) sulfide
Explanation:
is a chemical compound of manganese and sulfur. It occurs in nature as the mineral alabandite (isometric), rambergite (hexagonal), and recently found browneite (isometric, with sphalerite-type structure, extremely rare, known only from a meteorite).
Answer:
A. They are nonreactive gases
Answer:
id think b but im not 100% sure if you get it wrong im sorry
