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with reference to atomic number one, explain why hydrogen can be placed in either group 1 and 7 of the periodic table??
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Aug 27, 2021
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Chemistry Form 2
by
Oguma
structure of the atom and the periodic table
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Aug 28, 2021
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joycekathoka
This is because it can gain one electron to form a stable compound like group one elements and it can loose one electron like group seven elements
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