Question

1) Name 2 elements having single compound
2) Name 2 elements having 2 compounds

please answer fast its urgent​​

Answer 1

Answer:

hydrogen and chlorine makes hcl

carbon and oxygen has CO AND CO₂

Answer 2

the definition of a compound is two or more elements chemically combined.

e.g MgO, H2O, CuSO4

single cpds??

Mg, Na, K, S