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Which of the following elements is a Group 1 metal? A. He B. F C. Ca D. Cs

User Jurajo
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It would be D. Cs

Because if you look at a periodic table the first column are the group 1 metals - I included a picture of group 1
Which of the following elements is a Group 1 metal? A. He B. F C. Ca D. Cs-example-1
User Empo
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