konfigurasi elektron yang benar dari unsur K dengan nomor atom 19 adalah
PRE TEST KONFIGURASI ELEKTRON

Quiz
•
Chemistry
•
10th Grade
•
Medium
Fulgensia Sengo
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 8 8 1
2 8 9
2 7 8 2
2 8 8 2
2 8 8 8
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Pasangan atom berikut yang mempunyai elektron valensi sama adalah....
7N dan 14Si
10Ne dan 19K
6C dan 15P
13Al dan 20Ca
8O dan 16S
Answer explanation
Jawaban yang benar E sebab atom oksigen dan sulfur elektron valensinya 6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah maksimum elektron yang terdapat pada kulit N atau kulit ke 4 adalah....
8
18
32
72
98
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Suatu atom mempunyai nomor atom 53 dan jumlah neutronnya sebanyak 74. Dapat disimpulkan atom tersebut mempunyai...
74 elektron
74 proton
nomor massa 53
nomor massa 127
127 proton
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Suatu atom mempunyai 3 kulit elektron dan elektron valensi 5, nomor atomnya adalah....
11
13
15
17
19
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Atom berikut ini yang mempunyai elektron valensi sebanyak 7 elektron adalah....
6C
8O
15P
19K
17Cl
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Konfigurasi elektron yang paling tepat dari unsur 19K39 adalah....
1s2 2s2 2p6 3s2 3p6 3d1
1s2 2s2 2p6 3s2 3p6 4d1
1s2 2s2 2p6 3s2 3p6 3d5
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d1
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