Q848
Heavy metals got their name because compared to other atoms they have
A.
Higher densities
B.
Higher atomic masses
AnswerC.
Higher atomic numbers
D.
Higher atomic radii
Answer: Option B
Solution
Answer: Option B
Solution:
Arsenic, beryllium, cadmium, chromium, lead, manganese, mercury, nickel, and selenium are some of the metals called ‘heavy’ because of their high relative atomic mass. They persist in nature and can cause damage or death in animals, humans, and plants even at very low concentrations.