Sistem Periodik Unsur
Authored by mustika putri
Chemistry
10th Grade
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jumlah elektron maksimum pada kulit K, L, dan M berturut-turut adalah ....
1, 2, 3
2, 8, 8
2, 8, 9
2, 8, 18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom kalsium dengan nomor atom 20 memiliki konfgurasi elektron ....
2 8 8 2
2 8 10
2 8 2 8
2 2 8 8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Banyaknya elektron valensi pada atom yang memiliki nomor atom 33 adalah….
1
3
5
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan unsur- unsur di bawah ini memiliki jumlah elektron valensi sama kecuali . . . .
6C dan 14Si
11Na dan 19K
7N dan 17Cl
5B dan 21Sc
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron dari unsur yang memiliki nomor atom 24 adalah..
(Ar) 4s² 3d4
(Ar) 4s1 3d5
(Ar) 4s² 4p4
(Ar) 3d4 4p6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harga keempat bilangan kuantum elektron terakhir dari ₁6S adalah..
n = 2, l = 0, m=0, s= -1/2
n = 3, l = 1, m=-1, s= -1/2
n = 3, l = 1, m=0, s= -1/2
n = 3, l = 1, m=0, s= +1/2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur X bernomor atom 8, maka harga keempat bilangan kuantum elektron terakhir unsur tersebut adalah …
n = 2; l = 1; m = -1; s = – 1/2
n = 2; l = 1; m = -1; s = + 1/2
n = 2; l = 1; m = 0; s = – 1/2
n = 2; l = 0; m = 0; s = – 1/2
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