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 ....

SOAL LATIHAN PAS KIMIA KELAS X bagian 1

Quiz
•
Mathematics
•
8th Grade
•
Hard
Bahtra Sinaga
Used 15+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
55 elektron, 58 proton, 82 neutron
58 elektron, 82 proton, 55 neutron
82 elektron, 55 proton, 140 neutron
82 elektron, 140 proton, 82 neutron
58 elektron, 58 proton, 82 neutron
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Atom dengan lambang 37Rb85 mempunyai jumlah proton, elektron, dan neutron berturut-turut yaitu ....
37, 37, 85
37, 37, 48
48, 37, 48
85, 85, 37
85, 37, 48
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Perhatikan unsur di bawah ini.
15P31; 15Q30; 14R29; 13S27
Pasangan yang merupakan isoton adalah atom-atom ....
P dan Q
P dan R
Q dan R
Q dan S
R dan S
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Atom X mempunyai 10 elektron dan 12 neutron. Nomor massa unsur X itu adalah....
2
10
12
22
24
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Unsur X mempunyai 10 proton dan 12 neutron, sedangkan unsur Y mempunyai nomor massa 23 dan nomor atom 11. Kedua atom tersebut merupakan .....
isotop
isoton
isobar
isoelektron
isomer
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Unsur X memiliki neutron sebanyak 30 dan nomor massanya 65. Nomor atom unsur X adalah ....
25
30
35
65
95
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Unsur X mempunyai nomor atom 29. Konfigurasi elektron unsur X adalah ....
1s2 2s2 2p6 3s2 3p6 4s2 3d9
1s2 2s2 2p6 3s2 3p6 3d10 3f1
1s2 2s2 2p6 3s2 3p6 3d6 4s2 4p3
1s2 2s2 2p6 3s2 3p6 4s1 3d10
1s2 2s2 2p6 3s2 3p6 4s2 4p6 5s2 5p1
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