Unsur platinum dengan nomor massa 195 dan nomor atom 78 mengandung ....
Evaluasi Kimia Kelas X Ganjil

Quiz
•
Chemistry
•
10th Grade
•
Hard
Suchory Putri
Used 68+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
78 neutron, 78 proton, 117 elektron
78 neutron, 117 proton, 78 elektron
195 neutron, 78 proton, 78 elektron
117 neutron, 195 proton, 78 elektron
117 neutron, 78 proton, 78 elektron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron yang benar untuk 24Cr adalah ....
1s2 2s2 2p6 3s2 3p6 4s2 3d4
1s2 2s2 2p6 3s2 3p6 4s2 3d5
1s2 2s2 2p6 3s2 3p6 4s1 3d5
1s2 2s2 2p6 3s2 3p6 4s1 4p5
1s2 2s2 2p6 3s2 3p6 4s23p4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion Mn4+ mempunyai konfigurasi elektron [Ar] 3d3 . Jumlah elektron yang tidak berpasangan dalam ion Mn4+ tersebut adalah ....
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur dengan nomor atom 45 terletak pada ....
periode 4 golongan VIIB
periode 4 golongan VIIIB
periode 5 golongan VIIB
periode 5 golongan VIIIB
periode 5 golongan VIIIA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harga keempat bilangan kuantum elektron terluar dari atom 17Cl adalah…
n = 2, l = 0, m = 0, s = ‒1/2
n = 2, l = 1, m = 0, s = ‒1/2
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu atom mencapai kestabilan dengan melepaskan 2 elektron. Kemungkinan atom ini memiliki nomor atom ....
20
16
18
2
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu atom terletak pada periode 4 golongan VIIB. Maka harga keempat bilangan kuantum dari elektron terluar adalah ....
n= 4, l=0, m=+1, s=-1/2
n= 3, l=2, m=+1, s=-1/2
n= 3, l=2, m=-2, s=+1/2
n= 3, l=2, m=+2, s=-1/2
n= 3, l=2, m=+2, s=+1/2
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