Question

Give the salient features of “Modern Atomic Theory”

Answer 1

Answer:

All matter is composed of atoms. Atoms of the same element are the same; atoms of different elements are different. Atoms combine in whole-number ratios to form compounds.

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Answer 2

Answer:

An atomic is no longer indivisible

Atoms of same element may have different atomic mass

E. G isotope 17c 35

Atoms may not combine in the simple whole number ratio