Sturktur Atom dan Unsur Periodik Unsur
Quiz
•
Chemistry
•
11th Grade
•
Hard
010019_ Ramlah
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Unsur 39K19 mempunyai konfigurasi elektron ...
1s2 2s2 2p6 3s2 3p6 3d1
1s2 2s2 2p6 3s2 3p6 4d1
1s2 2s2 2p6 3s2 3p5 3d5
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p10 4p6 5s2 4d1
2.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Suatu unsur memiliki konfigurasi elektron 2, 8, 18, 4. Unsur tersebut terletak pada
golongan ...
I A
II A
III A
IV A
VII A
3.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Konfigurasi elektron dari ion Al3+ dengan nomor atom 13 adalah ...
2.8
2.8.3
8.5
2.8.6
2.8.8
4.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Jumlah maksimum elektron pada kulit M adalah ...
50
32
18
8
2
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Unsur yang mempunyai konfigurasi elektron 2.8.6 terletak pada golongan...
II A
III A
IV A
V A
VI A
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Unsur X mempunyai nomor atom 35, konfigurasi elektron ion X- adalah ...
1s² 2s² 2p6 4s² 4p5 3d10
1s² 2s² 2p6 3s² 3p6 4s² 3d10 4p5 5s1
1s² 2s² 2p6 3s² 3p6 4s² 3d10 4p6
1s² 2s² 2p6 3s² 3p6 4s² 3d10 ² 4p4
1s² 2s² 2p6 3s² 3p6 3d10 4p1 4p5
7.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Kelemahan teori atom Niels Bohr adalah . . .
tidak dapat menjelaskan spektrum unsur hidrogen
bertentangan dengan hukum – hukum fisika klasik dar Maxwell
tidak dapat menentukan posisi elektron dengan pasti
bertentangan dengan teori atom Dalton bahwa atom – atom suatu unsur identik
tidak dapat menentukan perubahan energi pada perpindahan elektron dalam atom
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