Ans. (i – c – 5 ) , (ii – d – 3) , (iii – e – 6 ) , (iv – f – 1) , (v – b – 4), (vi - a – 2).
Column 1
|
Column 2
|
Column 3
|
i. Triad |
c. Average of the first and the third atomic mass |
5. Dobereiner |
ii. Octave |
d. Properties of the eight-element similar to the first. |
3. Newlands |
iii. Atomic Number |
e. Positive charge on the nucleus. |
6. Moseley |
iv. Period |
f. Sequential change in molecular formulae |
1. Mendeleev |
v. Nucleus |
b. Concentrated mass and positive charge |
4. Rutherford |
vi. Electron |
a. Lightest and negatively charged particle in all the atoms |
2. Thomson |