In chemistry, the molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by its amount of substance. The base SI unit for molar mass is kg/mol. However, for historical reasons, molar masses are almost always expressed in g/mol.
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False
only observing chemical property will change its identity
Answer:
An element is atoms with the same number of protons.
Explanation:
Protons, electrons, and neutrons.
