Question

1. Rearrange the columns 2 and 3 so as to match with the column 1.
Exercise
Column 2
a. Lightest and negatively charged particle in all the
atoms
Column 1
i. Triad
ii. Octave
iii.Atomic number
iv. Period
v. Nucleus
vi. Electron
Column 3
1. Mendeleev
2. Thomson
3. Newlands
4. Rutherford
5. Dobereiner
6. Moseley
b. Concentrated mass and positive charge
c. Average of the first and the third atomic mass
d. Properties of the eighth element similar to the first
e. Positive charge on the nucleus
f. Sequential change in molecular formulae​

Answer 1

Answer:

matter

The chemicals can be used for verifying the law of chemical combination is matter.

Explanation:

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