Question

what are atomic symbols

Answer 1

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The atom of each element is made up of electrons, protons and neutrons. All atoms of the same neutral element have the same number of protons and electrons but the number of neutrons can differ. Atoms of the same element but different neutrons are called isotopes. Because of these isotopes it becomes necessary to develop a notation to distinguish one isotope from another - the atomic symbol. The atomic symbol has three parts to it:

1. The symbol X: the usual element symbol
2. The atomic number A: equal to the number of protons (placed as a left subscript)
3. The mass number Z: equal to the number of protons and neutrons in the isotope (placed as a left superscript)
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Answer 2

The atom of each element is made up of electrons, protons and neutrons. All atoms of the same neutral element have the same number of protons and electrons but the number of neutrons can differ.

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