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1. Rearrange the columns 2 and 3 so as to match with the column 1. ExerciseColumn 2a. Lightest and negatively charged particle in all theatomsColumn 1i. Triadii. Octaveiii.Atomic numberiv. Periodv. Nucleusvi. ElectronColumn 31. Mendeleev2. Thomson3. Newlands4. Rutherford5. Dobereiner6. Moseleyb. Concentrated mass and positive chargec. Average of the first and the third atomic massd. Properties of the eighth element similar to the firste. Positive charge on the nucleusf. Sequential change in molecular formulae​

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matterThe CHEMICALS can be used for VERIFYING the LAW of chemical combination is matter.Explanation:......



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