Chemistry - Atoms and Molecules
(MCQs)
Q1: Identify the correct symbol of gold:
a. Ag
c. Gd
b. Ge
d. Au
Q2: Which of the following is tri-atomic?
a. Oxygen gas
b. Hydrogen gas
c. Ozone gas
d. Ammonia gas
Q3: The combining capacity of an element is called
a. Valency
c. Atomic number
b. Atomicity
d. Valence electrons