The mass number of a nucleus is
The mass number of a nucleus is
A). always less than its atomic number
B). the sum of the number of protons and neutrons present in the nucleus
C). always more than the atomic weight
D). a fraction
1 answers
the sum of the number of protons and neutrons present in the nucleus
The mass number (A), is the total number of protons and neutrons ns) in an atomic nucleus so sometimes more than and sometimes equal to its atomic number, depends upon no of neutrons.
Other Questions
1. Question 14.11:What are the major causes of water pollution? Explain.
2. Magnesium (Mg) + Oxygen $(O_{2})$ = ?
3. Which one of the following acids is used in battery ?
5. Which halide is used in making sensitive emulsion on photograhic film?
6. Alum stops bleeding in minor cuts because of
7. Who played the lead character in the movie 'Bandit Queen'?
8. The depletion of ozone layer is due to
9. The function of sedimentation tank in sewage treatment is to: