VỊ TRÍ TRONG BẢNG TUẦN HOÀN
Quiz
•
Chemistry
•
1st Grade
•
Medium
THƯƠNG NGỌC
Used 5+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố X có số thứ tự Z = 20. Xác định chu kì, nhóm của X trong bảng TH?
Chu kì 2, nhóm IA
Chu kì 2, nhóm IVA.
Chu kì 3, nhóm IVA
Chu kì 4, nhóm IIA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
So sánh tính kim loại của Na, Mg, Al
Mg > Al > Na.
Mg > Na > Al
Al > Mg > Na
Na > Mg > Al.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cấu hình electron nào sau đây là của nguyên tử sắt (Z=26) ở trạng thái cơ bản?
1s2 2s2 2p6 3s2 3p6 3d6 4s2
1s2 2s2 2p6 3s2 3p6 3d6 4s1 4p1
1s2 2s2 2p6 3s2 3p6 3d7
1s2 2s2 2p6 3s2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron của nguyên tử Natri có Z=11 là:
1s22s22p63s23p5
1s22s22p63s23p6
1s22s22p63s1
1s22s22p63s23p3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron của nguyên tử Nhôm có Z=13 là:
1s22s22p63s23p5
1s22s22p63s23p6
1s22s22p63s23p1
1s22s22p63s23p3
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