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Using the periodic table in Figure 7-1, all of the following elements belong to the main group elements EXCEPT: a. hydrogen b. radium c. aluminum d. iron
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Sep 14, 2022
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Using the periodic table in Figure 7-1, all of the following elements belong to the main group elements EXCEPT:
a. hydrogen
b. radium
c. aluminum
d. iron
Chemistry
high-school
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Answer:
c. aluminium ic correct
Dark Cyber
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Sep 19, 2022
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