Chemistry Mcqs

A. they possess different mass number
B. they possess different physical properties
C. they possess same chemical properties
D. they possess different position in the periodic table

A. 1.008 mg
B. 0.184 mg
C. 0.054 mg
D. 5.4 mg

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

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

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

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

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

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

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

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