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Rearrange the columns 2 and 3 so as to match with the column 1. Column 1 Column 2 Column 3 i. Triadii. Octaveiii. Atomic numberiv. Periodv. - Science and Technology 1

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Match the Columns

Rearrange the columns 2 and 3 so as to match with the column 1.

Column 1 Column 2 Column 3
i. Triad
ii. Octave
iii. Atomic number
iv. Period
v. Nucleus
vi. Electron
a. Lightest and negatively charged particle in all the atoms
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
1.Mendeleev
2. Thomson
3. Newlands
4. Rutherford
5. Dobereiner
. Moseley
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Solution

Column I
Column II
Column III
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
Concept: History of Periodic Table: Early Attempts at the Classification of Elements
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Balbharati Science and Technology Part 1 10th Standard SSC Maharashtra State Board
Chapter 2 Periodic Classification of Element
Q 1 | Page 28
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