Question

F. MATCH THE ENTRIES OF COLUMN A WITH APPROPRIATE ENTRIES OF COLUMN B:
Column
B
Column A
1. Isotopes
2. Isobars
3. Atomic number
18
O
8
4. Mass number
5. J.J. Thomson
6. Chadwick
7. Rutherford
8. Henry Becquerel
(a) Number of protons
(b) Canal rays
(c) Number of protons + neutrons
(oh 10 and
(e) Nuclear model of an atom
() Discovery of radioactivity
(9) Discovery of neutrons
(h) Discovery of cathode rays
() 20Ca and 10k
() Atomic theory
9. John Dalton
10. Anode Rays​

Answer 1

1.Isotopes=>(d)O(8)(16) and O(8)(18)

2.Isobars=>(i)Ga(20)(40) and K(19)(40)

3.Atomic number=>(a)Number of protons

4.Mass number=>(c)Number of protons+neutrons

5.J.J. Thomson=>(h)Discovery of cathode rays

6.Chadwick=>(g)Discovery of neutrons

7.Rutherford=>(e)Nuclear of protons

8.Henry Bacquerel=>(f)Discovery of radioactivity

9.John Dalton=>(j)Atomic theory

10.Anode Rays=>(b)Canal rays