Chemistry, 01.07.2019 00:00, chamyaparker
Question 7 (essay worth 5 points) (03.02 mc) use your periodic table of elements. take any element from the first column, except for hydrogen and lithium, and answer the following questions: what is the element's name and symbol? is it a metal, nonmetal, or metalloid? which family does it belong to? how many protons, neutrons, and electrons does its neutral atom have?
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Chemistry, 30.06.2019 23:00, fickllyd000
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Chemistry, 10.07.2019 23:30, danielroytman1
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Chemistry, 02.08.2019 16:00, Mordred809
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Question 7 (essay worth 5 points) (03.02 mc) use your periodic table of elements. take any element...
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