
LỚP 10 - CHƯƠNG 1 - LẦN 2
Authored by Văn Lảnh
Chemistry
10th Grade
Used 5+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai loại hạt mang điện trong một nguyên tử là
proton và nơtron.
proton và electron.
electron và số khối.
electron và nơtron.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cấu hình electron nguyên tử của Fe (Z = 26) là
1s22s22p63s23p63d74s1.
1s22s22p63s23p63d64s2.
1s22s22p63s23p63d8.
1s22s22p63s23p73d54s2.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tử của nguyên tố X có tổng số electron trên phân lớp p là 10. Số hiệu nguyên tử của X là
14.
15.
16.
17.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho biết cấu hình electron nguyên tử của các nguyên tố sau:
(X) 1s22s22p2 (Y) 1s22s22p63s1 (Z) 1s22s22p63s2
(T) 1s22s22p63s23p3 (Q) 1s22s22p63s23p5 (R) 1s22s22p63s23p6
Các nguyên tố phi kim là:
X, Y, Z.
X, Y, T.
X, T, Q.
T, Q, R.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử M có 17 electron và 18 nơtron. Kí hiệu của M là
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử có 8 proton, 8 electron và 8 nơtron là
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bo có 2 đồng vị, nguyên tử khối trung bình là 10,812. Nếu có 282 nguyên tử 10B thì có bao nhiêu nguyên tử 11B?
1564.
1500.
1282.
1218.
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