atomic structure molecules and nuclear chemistry - Category wise Question and Answer Practice Test with Solutions

Question : 6

Members of which of the following have similar chemical properties ?

a) Isobars

b) Allotropes

c) Isotope

d) Both isotopes and allotropes

Question : 7 [CDS]

An a-particle consists of which of the following?

a) 2 protons and 4 neutrons

b) 1 proton and 1 electron

c) 2 protons and 2 neutrons

d) 1 proton and 1 neutron

Question : 8 [BPSC (Pre) 1999]

Constituents of atomic nucleus are

a) Electron and neutron

b) Proton and neutron

c) Electron and proton

d) Proton, neutron and electron

Question : 9

The correct symbol for silver is

a) Si

b) Ar

c) Ag

d) Al

Question : 10 [NDA]

The nucleus of a singly ionized carbon atom contains

a) 6 protons, 6 neutrons and 6 electrons

b) 5 protons and 6 neutrons

c) 6 protons and 6 neutrons

d) 12 protons, 6 neutrons and 6 electrons