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As you move from left to right across a period, what happens to the atomic radii?
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Hydrogen-2 is also known as deuterium as well as hydrogen-3 is known as tritium hydrogen-1 is our common hydrogen isotope a sample hydrogen gas has 99% hydrogen -1 ,0.8% deuterium , and 0.2% tritium what is the average atomic mass of this mixture of isotope to the thousands place
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As you move from left to right across a period, what happens to the atomic radii?...
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