Problem: A particular atom of chromium has a mass of 52.94 amu, whereas the atomic weight of chromium is 51.99 amu. Explain the difference in the two masses.

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Establish the definition of isotopes and explain why the isotopes of Chromium have different weights

Isotopes represent atoms of an element that contain the same atomic number (same number of protons), but different mass numbers (different number of neutrons).

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A particular atom of chromium has a mass of 52.94 amu, whereas the atomic weight of chromium is 51.99 amu. Explain the difference in the two masses.

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