The atomic number of Na and Mg is 11 and 12 respectively and they belong to the same period . a) which one would have smaller atomic size ? b) which one would be more electropositive? c) To which group would each one belong?
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a)Mg
b)Na
c)Na belongs to 1st group and 3rd period
Mg belongs to 2nd group and 3rd period
b)Na
c)Na belongs to 1st group and 3rd period
Mg belongs to 2nd group and 3rd period
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Answer:
a) Magnesium will have smaller atomic size when we eliminate it's Valence shell electrons
b) Sodium bcoz it Valence shell is 1 the. time require to remove is less compared to magnesium
c) both are from S - Block but sodium is in 1st group and magnesium in 2nd Group
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