Chemistry, 13.08.2019 01:30 bridgettebach
What do we call atoms of the same elements with different mass numbers?
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Consider the nuclear equation below. 239/94 puโ-> x+ 4/2 he. what is x?
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Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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What do we call atoms of the same elements with different mass numbers?...
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