Question

1.True or False

a)nucleus of an atom contains protons and electrons.

b)loss of electron in an atom gives rise to negatively charged ion.

c)gain of electron in an atom gives rise to negatively charged ion.

d)neutron has a positive charge.

Answer 1

A-1) False. Nucleus of an atom contains protons and neutrons.

A-2) False. Loss of electrons in an atom gives rise to positively charged ions.

A-3) True. Gain of electrons gives rise to negatively charged ions.

A-4) False. Neutron are uncharged subatomic particles.