Answer:
b. The shorter the half-life, the more dangerous the radioisotope.
Answer:
D
Explanation:
According to IUPAC nomenclature, a negative polyatomic ion has its name ending in 'ate' or 'ite'
As in carbonate (CO3^2-)
Arsenite (AsO3-)
Answer: B is a gas because its volume is less than the volume of the containers.
Explanation: hope this help bye