
Remedial
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Nurkemala Fajri
Used 1+ times
FREE Resource
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Kalium mempunyai nomor atom 19 dan nomor massa 39. Jumlah elektron pada ion K+ adalah . . .
21
20
19
18
17
2.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Suatu unsur X mempunyai nomor atom 18 dan nomor massa 40, dapat disimpulkan bahwa pada satu atom unsur X mempunyai . . .
18 neutron dan 18 proton
22 neutron dan 22 proton
40 proton dan 18 elektron
18 proton dan 22 neutron
18 neutron, 22 proton dan 22 elektron
3.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Suatu atom mempunyai elektron valensi 5 pada kulit kedua. Nomor atom unsur tersebut adalah . . .
5
7
8
11
12
4.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Perhatikan notasi unsur berikut!
34Se
Konfigurasi elektron ion Se2- adalah . . .
1s2 2s2 2p6 3s2 3p6 4s2 3d10
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d1
5.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Ion Mg2+ mempunyai konfigurasi elektron 1s2 2s2 2p6. Jumlah elektron valensi unsur Mg adalah . . .
1
2
5
6
8
6.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Unsur Y mempunyai nomor atom 25. Jika unsur Y membentuk ion Y4+, konfigurasi elektron ion tersebut adalah . . .
1s2 2s2 2p6 3s2 3p6 4s2 3d5
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 3d3
1s2 2s2 2p6 3s2 3p6 3d2
1s2 2s2 2p6 3s2 3p6 3d1
7.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Diberikan beberapa atom berikut :
1) 1H1
2) 3H1
3) 24Mg12
4) 23Na11
5) 24Na11
Pasangan atom yang berisoton ditunjukkan oleh angka . . .
1) dan 2)
1) dan 3)
3) dan 4)
3) dan 5)
4) dan 5)
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