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An atom is neutral. Its nucleus contains two protons and two neutrons. How many electrons does the atom have?
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The minerals found in bones are deposited by living cells called
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An atom is neutral. Its nucleus contains two protons and two neutrons. How
many electrons does the...
Mathematics, 14.11.2020 01:30
Mathematics, 14.11.2020 01:30
Mathematics, 14.11.2020 01:30
Mathematics, 14.11.2020 01:30