
UNSUR PERIODE 4
Authored by silvie lestari
Chemistry
12th Grade
Used 13+ times

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67 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senyawa seng dari unsur transisi tidak berwarna, hal ini disebabkan oleh … .
orbital d telah penuh terisi elektron
tidak adanya elektron pada orbital d
orbital d telah terisi elektron setengah penuh
tidak adanya elektron pada orbital s
orbital s telah terisi elektron setengah penuh
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi kimia yang benar untuk memisahkan besi dari bijih besi adalah … .
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur transisi periode ke empat yang subkulit 4s nya tidak penuh adalah … .
25Mn dan 29Cu
29Cu dan 26Fe
24Cr dan 26Fe
24Cr dan 29Cu
24Cr dan 25Mn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nama yang tepat untuk ion kompleks adalah … .
ion tetra amin diaquo krom (II)
ion diaquo tetra amin krom (III)
ion tetra amin (krom III) diaquo
ion tetra amin diaquo kromat (III)
ion diaquo tetra amin kromat (III)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom Cu dengan nomor atom = 29 maka bentuk molekul Cu(NH3)42+ adalah … .
tetrahedron
trigonal bipiramid
trigonal planar
bujur sangkar
segitiga piramida
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus ion kompleks yang tersusun dari : ion pusat Cr3+, ligan molekul NH3 dan ion Cl‑, bilangan koordinasi 6 dan muatan ion kompleks +1 yang paling tepat adalah … .
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron unsur transisi periode ke empat adalah … .
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 4s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
1s2 2s2 2p6 3s2 3p6 3d2 4s2
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