Chemistry, asked by vadhikala032, 5 hours ago

I need correct answer​

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Answered by rachpaltoor11
1

Answer:

Hydrogen, helium ,

Xe, He, many more

Al

Mg and Cu

He leave a gap bacuause

Answered by shivasinghmohan629
1

Answer:

Explanation:

G and H have the same number of electronic shells but different number of electrons in their outermost shell. It was found that elements A and G combine to form an ionic compound. ... Oxides of elements A and B are basic in nature while those of E and F are acidic. The oxide of D is almost neural.

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