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Chemistry, 02.04.2021 19:10 ello17

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 main group elem

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Using the periodic table in Figure 7-1, all of the following elements belong to the main group eleme...

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