题库 Science 题目列表 Why do noble gases almost never form chemical bond...
Single Choice
Why do noble gases almost never form chemical bonds?
A.

It is difficult for gases to form bonds

B.

They have completely filled outer valence shells

C.

They have very small atomic radii [RAY-dee-eye]

D.

They are very rare

E.

It is difficult for gases to form bonds

F.

They have filled outer valence shells

G.

They have very small atomic radii

H.

They are very rare

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