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BÀI TẬP TRẮC NGHIỆM HÓA ĐẠI CƯƠNG VÀ VÔ CƠ CẨM NANG DÙNG LUYỆN THI THPTQG CHẤT LƯỢNG CAO (COLOR BOOK)

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N<br />

là ns 2 np 4<br />

(A) XO, H 2 X. (B) XO 3 , H 2 X.<br />

(C) XO 2 , XH 4 . (D) XO 2 , H 2 X.<br />

O<br />

Chú ý<br />

– M As<br />

P<br />

RH 3<br />

(A<br />

(B<br />

(C 2O.<br />

(D 2O 7 .<br />

(A) S. (B) As. (C) N. (D) P.<br />

Q 3<br />

– M Si<br />

(A (B) oxi. (C (D) cacbon.<br />

R<br />

ngoài cùng là ns 2 np 4<br />

44<br />

A) B) 27,27%.<br />

C) D) 40,00%.<br />

S<br />

A B C D) cacbon.<br />

T<br />

a 2,75.<br />

b<br />

Nguyên<br />

(A) cacbon. (B (C) silic. (D) photpho.<br />

10

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