Chemistry, asked by kkkp1385, 1 year ago

How many moles are 9.033Ã10^24 atom of helium (he)?

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Answered by Anonymous

Too soft for most tools, early people learned that this metal could be strengthened if it was alloyed with tin or zinc. ... Brass, a corrosion resistant alloy, is a mix of copper and this metal. 8. The ancient Egyptians made black eye make-up with this element.

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