Name the following:1. Scientist who gave Law of Conservation of Matte

Name the following:1. Scientist who gave Law of Conservation of Matter.2. Scientist who gave Law of Constant Proportion.3. What are protons and neutrons present in nucleus together called as?4. Unit used to express atomic radius.5. The number (p + n) in the atomic nucleus is called as?6. Name the unit of atomic mass.7. Write molecular formula of two ionic compounds containing chlorine.8. Give two monoatomic radicals.9. Give two examples of simple radicals.

Answer»

1. Antoine Lavoisier

2. J. L. Proust

3. Nucleons

4. Nanometre

5. Atomic mass number

6. Dalton (u)

7. NaCl, MgCl₂

8. Na⁺ ,Cl^-

9.Ag⁺ ,O^2-