Chemistry, 07.07.2019 12:00 lovenahofer
Element x has two isotopes. the table gives information about these isotopes. x-63: has an atomic mass of 62.9296 amu and an abundance of 69.15% x-64: has an atomic mass of 64.9278 amu and an abundance of 30.85% the average atomic mass of element x is amu.
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Chemistry, 22.06.2019 19:10, asdfghhk9805
How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !
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Element x has two isotopes. the table gives information about these isotopes. x-63: has an atomic m...
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