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4. What happens when a bond is formed between a greenish yellow gaseous element X and a
soft metallic element Y.
A Atom X gains an electron.
B Atom X loses an electron.
С Atom Y gains an electron.
D X and Y share a pair of electrons

Answer :

yuuotosaka749

Answer:

A. Atom x gains an electron

Explanation:

What happens when a bond is formed between a green gaseous element and a soft metallic element?（2.0分）

A. The gas atoms gain an electron.

B. The gas atoms lose an electron.

C. The metal atoms gain an electron.

D. The two elements share a pair of electrons

Atom X gains an electron because it needs electron to become stable.

Atom Y loses electron and atom X gains an electron in order to complete its outermost shell. Atom Y belongs to metal which has one electron while on the other hand, atom Y belongs to halogens which needs one electron for the completion of its outermost shell and become stable so atom Y loses one electron and atom X gains that electron and attain the electronic configuration of noble gases so we can say that Atom X gains an electron.

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