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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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1<br />

(A) proton và electron. (B<br />

(C) electron. (D<br />

2 không<br />

(A) A = Z + N. (B) A = P + N.<br />

(C) A = Z + P. (D) A = E + N.<br />

3<br />

(A) Z = N. (B) A = Z + E.<br />

(C)<br />

A Z. (D) 2N Z.<br />

4<br />

(A (B<br />

(C (D<br />

5<br />

(A)<br />

(C)<br />

24<br />

X. 24<br />

8 (B)<br />

16<br />

16 X.<br />

X. 8<br />

8<br />

(D)<br />

16 X. 2<br />

2

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