Drinking water regulations are the responsibility of the

The substance used to kill bacteria in raw water is called:

Identify A  [BLANK-1]

Developed law implying “atomic numbers are more important than atomic weights”

In nuclear __________, the nuclei of light isotopes combine to produce heavy elements.

He showed relation between electricity and chemical activity.

The chemical symbol for gold is:

The chemical symbol for silver is:

He proposed the name “isotopes.”

He invented the naming system for chemical elements.