The fundamental particles present in the nucleus of an atom are
A). Electron, proton
B). Proton, neutron
C). Neutron, electron
D). Neutron, positron
Proton, neutron
The nucleus is the positively charged centre of an atom and contains most of its mass. It is composed of protons, which have a positive charge, and neutrons, which have no charge.
1. The anode in a dry cell consists of
2. ________ is used for making vinegar.
3. What are the major pollutants of cigarette smoke
4. Bhopal gas tragedy is associated with leakage of
5. An atomic dock is based on transitions in
6. The chiefsource for the production of nitrogeneous fertilizers is :
8. Covalent Bond is also called _________.
9. Man dies in the atmosphere of CO, because it
10. Water is not effective in extinguishing a fire caused by petrol because