Chemistry Worksheet Isotope Notation Answer Key. Hydrogen is 99% 1h, 0.8% 2h, and. Notation nuclear element atomic symbol chemical number mass protons.
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Hydrogen is 99% 1h, 0.8% 2h, and. The ñüñbãõprotons in an atom is known as the atvmïc n/lber of that atom. He separated the crystals from the remaining liquid, dried them and weighed.
