Question

what is density..what is atomacity​

Answer 1

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1. Density is a measure of mass per unit of volume. Density is a measure of mass per volume. ... An object made from a comparatively dense material (such as iron) will have less volume than an object of equal mass made from some less dense substance (such as water).
2. The number of atoms present in a single molecule is termed as its atomicity. ... The molecules of many elements are composed of only a single atom of that element.

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Answer 2

Density —

• Density is a measure of mass per unit of volume .
• Density is a measure of mass per volume .

Atomicity —

• The number of atoms in the molecules of an element .

• The state or fact of being composed of indivisible units .