UJIAN Kimia ATOM KELAS X

Quiz
•
Chemistry
•
10th Grade
•
Hard

Fatmah Nasution
Used 508+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron atom 19K menurut Niels Bohr adalah….
2 8 9
2 9 8
2 8 8 1
2 8 2 7
2 8 18 8 3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom berikut ini yang mempunyai elektron valensi sebanyak tujuh elektron adalah…
6C
8O
15P
19K
17Cl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom berikut ini yang mempunyai elektron valensi sama banyak adalah…
7N dan 12Mg
6C dan 15P
8O dan 16S
10Ne dan 19K
10Ne dan 20Ca
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jumlah proton, elektron dan neutron dari suatu unsur Na dengan nomor atom 11 dan dan nomor massa 23 adalah…
Proton= 11, Elektron= 11 dan neutron= 12
Proton= 12, elektron=12 dan neutron 11
Proton= 11, Elektron=11 dan neutron= 23
Proton=23, elektron = 23 dan neutron= 12
Proton = 11, elektron=11 dan electron= 11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron yang paling tepat dari unsur 19K adalah….
1s2 2s2 2p6 3s2 3p6 3d1
1s2 2s2 2p6 3s2 3p6 4d1
1s2 2s2 2p6 3s2 3p6 3d5
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 3d10 4p6 5s2 4d1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron yang paling tepat dari unsur 23V adalah….
1s2 2s2 2p6 3s2 3p6 3d3
1s2 2s2 2p6 3s2 3p6 4s2 3d3
1s2 2s2 2p6 3s2 3p6 3d5
1s2 2s2 2p6 3s2 3p6 4s2 4p3
1s2 2s2 2p6 3s2 3p6 4s2 3d2 4p3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika nomor atom belerang adalah 16, maka konfigurasi elektron dari ion S2- adalah….
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p4 4s2
1s2 2s2 2p6 3s2 3p2 4s2
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