Chemistry, asked by vidi180204, 7 months ago

Calculate the mass of 20 atoms of calcium (At.wt.= 40).​

Answers

Answered by yaduvanshitab
3

Mass of 1 atom of calcium is its mass number which is 20 * 2 = 40g (approx.) If the atomic number is odd number then atomic multiplied by 2 and then + 1 = mass number.

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