Chemistry MCQs

A. 1.6 x 10-27 kg
B. 1.6 x 10-24 kg
C. 1.6 x 10-26 kg
D. 1.6 x 10-28 kg

A. H+ H H-
B. Li+ Na+ K+
C. C1- Br- I
D. F- Ne Na+

A. High energy electron beam
B. ? – particle
C. X-rays
D. All of the above

A. Same number of neutrons
B. Same mass number
C. Same physical properties
D. Same chemical properties

A. Uni-negative
B. Uni-positive
C. Di-negative
D. Di-positive

A. Gas
B. Liquid
C. Volatile solid
D. All

A. volume of particles
B. number of particles
C. mass of particles
D. All of the above

A. Atomicity
B. Shape of molecule
C. Both A and B
D. Difficult to predict

A. relative atomic mass
B. mass number
C. atomic weight
D. relative isotopic mass

A. arsenic
B. uranium
C. iodine
D. nickel