ulangan spu

ulangan spu

10th Grade

15 Qs

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ulangan spu

ulangan spu

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

Dessyyanti fisika

Used 67+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suatu atom yang mempunyai 3 kulit elektron dan 5 elektron valensi, nomor atomnya adalah

11

13

15

17

19

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atom 3115P mempunyai jumlah proton, neutron, dan elektron berturut-turut

31, 16, dan 15

31,15, dan 16

31, 15, dan 15

15, 15, dan 31

15, 16, dan 15

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atom 2411Na berisotop dengan atom

2412Mg

2311Na

2713Al

2814Si

2714Si

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Konfigurasi elektron atom 3919K menurut Niels Bohr adalah

2 8 9

2 9 8

2 8 8 1

2 8 2 7

2 8 18 8 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atom berikut ini yang mempunyai elektron valensi sebanyak tujuh elektron adalah

6C

8O

15P

19K

17Cl

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Konfigurasi elektron yang paling tepat dari unsur  3919K\frac{\text{39}}{\text{19}}K  adalah

 1s21s^2   2s22s^2   2p62p^6   3s23s^2  3p63p^6   3d13d^1   

 1s21s^2   2s22s^2   2p62p^6   3s23s^2   3p63p^6   4d14d^1  

 1s21s^2   2s22s^2   2p62p^6   3s23s^2   3p63p^6   3d53d^5  

 1s21s^2   2s22s^2   2p62p^6   3s23s^2   3p63p^6   4s14s^1 

 1s21s^2   2s22s^2   2p62p^6   3s23s^2   3p63p^6   4s24s^2  3d103d^{10}   4p64p^6   5s25s^2   4d14d^1  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ion berikut yang mempunyai konfigurasi elektron: [Ar] 3d4 adalah ...

20Ca2+

22Ti2+

24Cr2+

25Mn2+

26Fe2+

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