
5. konfigurasi elektron
Authored by Haris Privat
Chemistry
10th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron dalam unsur Molibdenum (Mo) adalah :
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d4
di dalam sistem periodik unsur Mo terletak pada . . . . .
Golongan IIA, Perioda 5
Golongan IIIA , perioda 5
Golongan IV B, perioda 4
Gologan VI B , perioda 4
Golongan VI B, perioda 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur yang terletak di golongan II B periode 4, mempunyai konfigurasi elektron ...
1s2 2s2 2p6 3s2 3p6 4s2 3d10
1s2 2s2 2p6 3s2 3p6 4s2 3d2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur, dengan nomor atom 25, terletak periode dan golongan ....
4 dan VIB
3 dan VIIB
4 dan VIIB
4 dan IIIB
4 dan VIIIB
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur, dengan nomor atom 35, terletak periode dan golongan ....
4 dan VIA
4 dan VIIA
4 dan VIIB
4 dan VA
4 dan VB
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diberikan suatu unsur dengan notasi:
26X
Konfigurasi elektron unsur X beserta letaknya dalam sistem periodik adalah ....
[Ar] 4s2 3d5 4p2 . gol IVA periode 3
[Ar] 4s2 3d5 . gol VIIB periode 4
[Ar] 4s2 3d5 4p1 . gol IIIB periode 4
Ar] 4s2 3d4 4p3 . gol VB periode 3
[Ar] 4s2 3d6 . gol VIIIB periode 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Orbital yang memiliki tingkat energi tertinggi adalah...
Orbital s
Orbital p
Orbital d
Orbital f
Orbital y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar di atas adalah cuplikan dari tabel periodik unsur. Penyataan berikut yang tidak tepat berdasarkan cuplikan tersebut adalah....
atom A memiliki elektron valensi 5
atom C memiliki 7 kulit atom
atom B memiliki 4 buah kulit atom
atom B memiliki elektron valensi 4
atom A memiliki 3 kulit atom
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