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02-04-2021
Chemistry

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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 71 all of the following elements belong to the main group elements EXCEPT a hydrogen b radium c aluminum d iron class=

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02-04-2021

Answer:

c. aluminium ic correct

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