UH atom

UH atom

10th Grade

72 Qs

quiz-placeholder

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UH atom

UH atom

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

johan setiawan

Used 4+ times

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72 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Unsur X memiliki nomor atom 33, konfigurasi elektron yang paling tepat untuk unsur X adalah....

2 | 8 | 8 | 8 | 7

2 |8 |18| 3

2 | 18 | 8 | 5

2 | 8 | 18 |  5

2 | 8 | 18 | 6

2.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Jumlah elektron valensi untuk unsur 36A adalah….

8

7

6

5

4

3.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Harga keempat bilangan kuantum elektron terakhir dari atom 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

n = 3, l = 1, m = +1, s = +1/2

4.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Jika diketahui konfigurasi elektron atom X: 1s2 2s2 2p6 3s2 3p6 . Nomor atom X adalah….

34

36

18

40

44

5.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Unsur memiliki notasi seperti di bawah ini :

17Y

Unsur Y dalam sistem periodik terletak pada…

golongan IVB, periode 5

golongan VIIIB periode 4

golongan IVA periode 3

golongan VIIA periode 3

golongan VIIIA periode 3

6.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Media Image

Pasangan atom yang terletak dalam satu golongan dalam sistem periodik unsur adalah....

M dan Z

L dan Q

Z dan X

L dan Z

M dan Q

7.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Elektron-elektron dalam atom beredar mengelilingi inti dan berada pada lintasan (tingkat energi) tertentu. Elektron dapat berpindah dari satu tingkat energi ke tingkat energi lainnya disertai penyerapan atau pelepasan energi. Pernyataan ini dikemukaan oleh ….

Rutherford

Dalton

Heisenberg

Thomson

Niels Bohr

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