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Bilangan Kuantum dan Konfigurasi Elektron

Authored by PPL Smariheksa

Chemistry

10th Grade

Used 10+ times

Bilangan Kuantum dan Konfigurasi Elektron
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Bilangan kuantum magnetik menunjukkan….

arah ruang orbital

  1. tingkat energi kulit

  1. subkulit energi elektron

  1. perbedaan arah rotasi elektron

  1. kebolehjadian menemukan elektron

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Diketahui nomor atom unsur Br = 35. Konfigurasi elektron ion Br- adalah….

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6

3.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Diketahui ion X3+ mempunyai nomor massa 27 dan neutron 14. Konfigurasi elektron dari atom X adalah …

1s2 2s2 2p6 3s2 3p1

1s2 2s2 2p6 3s2 3p4

1s2 2s2 2p6

1s2 2s2 2p6 3s2 3p2

1s2 2s2 2p6 3s2 3p5

4.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Jika diketahui konfigurasi elektron ion B2+:

       1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2. Nomor atom B adalah….

28

30

32

34

36

5.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Jika diketahui konfigurasi elektron Fe: [Ar] 4s2 3d6 , bagaimanakah konfigurasi ion Fe3+

[Ar] 4s2 3d9

[Ar] 4s2 3d3

[Ar] 4s1 3d4

[Ar] 4s0 3d5

[Ar] 4s2 3d6

6.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Bilangan kuantum yang mungkin untuk elektron valensi atom X: 1s2 2s2 2p6 3s2 adalah…

  1. n = 2; l = 1; m = +1; s = 0

  1. n = 2; l = 0; m = 0; s = -1/2

  1. n = 3; l = 1; m = 0; s = +1/2

  1. n = 3; l = 1; m = 0; s = -1/2

  1. n = 3; l = 0; m = 0; s = -1/2

7.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Elektron terakhir atom X memiliki nilai n = 4; l = 1; m = +1; dan s = -1/2. Elektron tersebut terletak di orbital….

4s

3p

4p

3s

4d

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