competitive exam

Positive ions are formed from the neutral atom by the (a) Increase of nuclear charge (b) Gain of protons (c) Loss of electrons (d) Loss of protons Answer: (c) Positive ions are formed from the neutral atom by the loss of electrons.

A neutral atom (Atomic no. >1 ) consists of (a) Only protons (b) Neutrons + protons (c) Neutrons + electrons (d) Neutron + proton + electron Answer: (d) Neutrons and protons in the nucleus and electrons in the extranuclear region.