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What the boxes on the Periodic Table of Elements mean. Each item in the box states something. 1 H Hydrogen 1.008. 1 H Hydrogen 1.008. This is the atom symbol It is a short hand way of writing the element. 1 H Hydrogen 1.008. This is the elements name.
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Each item in the box states something. 1 H Hydrogen 1.008
1 H Hydrogen 1.008 This is the atom symbol It is a short hand way of writing the element
1 H Hydrogen 1.008 This is the elements name.
This is the Atomic Number. It is the number of Protons in the atom 1 H Hydrogen 1.008
1 H Hydrogen 1.008 This is the atomic mass. It is the average mass of the atoms. It is also the number of protons + the number of neutrons