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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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F1.5 mol of nabh4 react, how many moles of b2h6 are formed? 2 nabh4(aq) + h2so4(aq) β 2 h2(g) + na2so4(aq) + b2h6(g)
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Fluorine gain ___ an electron and becomes __negatively ___- charged.
Sodium lose an electron and...
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