Geography, 21.10.2020 08:01 testingawge
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Elements in group 2 are called alkaline earth metals. What is most similar about the alkaline earth metals?
A. how many protons and neutrons they have
B. which chemical properties they have
C. how many total electrons they have
D. which period they are most often found in
Answers: 3
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Elements in group 2 are called alkaline earth metals. What is mo...
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