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Sistem Periodik Unsur

Authored by mustika putri

Chemistry

10th Grade

Used 12+ times

Sistem Periodik Unsur
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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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