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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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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

Using the periodic table in Figure 7-1, all of the following elements belong to the-example-1
User Voyager
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Answer:

c. aluminium ic correct

User Dark Cyber
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