Urutan perkembangan model atom yang paling tepat ditunjukkan oleh gambar dengan nomor berturut-turut adalah ....
PTS Kimia Genap

Quiz
•
Chemistry
•
10th Grade
•
Hard
Hesty Noviastuty
Used 6+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(1), (2), (3), (4)
(4), (3), (2), (1)
(4), (3), (1), (2)
(1), (3), (2), (4)
(2), (4), (1), (3)
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berdasarkan diagram tersebut, notasi unsur A dan B yang benar adalah ....
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Nomor atom Serium (Ce) ialah 58 dan nomor massa salah satu isotopnya adalah 140. Jumlah elektron, proton dan neutron yang terdapat dalam ion Ce3+ tersebut berturut-turut adalah ....
55 elektron, 58 proton, 82 neutron
58 elektron, 82 proton, 55 neutron
82 elektron, 55 proton, 140 neutron
82 elektron, 140 proton, 82 neutron
e. 58 elektron, 58 proton, 82 neutron
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Penemu neutron . . . .
William Crookes
Goldstein
James Chadwick
Sir Humphry Davy
J.J Thomson
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
. atom unsur yang mempunyai 8 elektron valensi adalah atom unsur dengan no atom
8
10
12
16
20
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Susunan elektron dari ion Br- adalah ....(nomor atom Br = 35).
2, 8, 18, 5
2, 8, 18, 6
2, 8, 18, 7
D. 2, 8, 18, 8
2, 8, 18, 9
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Menurut Niels Bohr, konfigurasi elektron unsur-unsur A-17 dan B-19 adalah ….
. (2,8,7) dan (2,8,9)
(2,8,2,5) dan (2,8,8,1)
(2,8,7) dan (2,8,8,1)
(2,2,8,5) dan (2,8,7)
(2,8,7) dan (2,9,8)
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