2
F. MATCH THE ENTRIES OF COLUMN A WITH APPROPRIATE ENTRIES OF COU
10. With the help of suitable diaylani,
Column
B
3
Column A
(a) Number of protons
(b) Canal rays
1. Isotopes
2. Isobars
3. Atomic number
(c) Number of protons + neutrons
160 and 180
4. Mass number
(e) Nuclear model of an atom
(0) Discovery of radioactivity
5. J.J. Thomson
6. Chadwick
7. Rutherford
8. Henry Becquerel
(9) Discovery of neutrons
(h) Discovery of cathode rays
40
20
9. John Dalton
(1)
Oca and 10K
0) Atomic theory
10. Anode Rays
Answers
Answered by
1
1.-(d)
2.-(i)
3.-(a)
4.-(c)
5.-(h)
6.-(g)
7.-(e)
8.-(f)
9.(j)
10.-(b)
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