Question

define gram atom with example
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Answer 1

Answer:

gram atom. Chem. the quantity of an element having a weight in grams numerically equal to the element's atomic weight: a gram atom of copper, the atomic weight of which is 63.54, is a quantity of copper weighing 63.54 grams. also gram′-atom′ic weight.

Explanation:

Answer 2

Gram-atom is a quantity of a substance that contains Avogadro's number of atoms, whether isolated or combined in molecules.

Example, 1 mole of MgB2 is 1 gram-molecule of MgB2 but 3 gram-atoms of MgB2.