
konfigurasi elektron

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron dari unsur dengan nomor atom 24 adalah...
A. (Ar) 3d 4s2
B. (Ar) 3d 4s
C. (Ar) 3d 4s 4p
D. (Ar) 3d 4s 4p²
E. (Ar) 3d 4p
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan kuantum elektron terakhir dari unsur X dengan nomor atom 11 adalah....
A. n = 4,l = 0 ,m=-1,s=-1/2
B. n = 4,l = 1,m = 0 s =+ 1/2
C. n = 3,1-0, m0, s =+ 1/2
D. n = 3 ,11, m = 0 s = - 1/2
E. n = 2 ,l = 0 m = 0 s = +1/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur X mempunyai diagram orbital sebagai berikut. X: [Ar]
Nomor atom dari X adalah...
17
18
21
26
30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron X2- dari suatu ion unsur 16Xadalah.....
A. 1s² 2s² 2p 3s 3p²
B. 1s² 2s²2p 3s 3p4
C. 1s² 2s²2p 3s²3p6
D. 1s² 2s²2p 3s 3p 3d2
E. 1s2 2s 2p 3s 3p² 3d²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
keempat bilangan kuantum elektron terakhir dari atom 16S adalah.....
n=2;l=0;m=0;s=-½
n=3;l=1;m=-1;s=-1/2
n=3;l=1;m=0;s=-1/2
n=3;l=1;m=0;s+1/2
n=3;l=1;m=+1;s=+1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam suatu atom tidak boleh ada 2 elektron
Yang memiliki keempat bilangan kuantum sama,aturan ini dikenal sebagai?
Asas aufbau
Pinsip larangan pauli
Aturan hund
Konfigurasi elektron
Orbital suatu atom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jumblah orbital yang berisi elektron tak berpasangan dari atom Mn(nomor atom 25) adalah
1
2
3
4
5
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