Kestabilan Unsur
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
septi ana
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur yang paling stabil adalah …
4Be
10Ne
11Na
9F
12Mg
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kestabilan atom dapat tercapai jika suatu atom memenuhi aturan oktet, yakni ketika setiap atom memiliki …. elektron di kulit terluarnya
2
4
6
8
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika unsur W mempunyai nomor atom 12, maka unsur W bermuatan ….
+1
+2
-1
-2
-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Diketahui beberapa unsur dengan konfigurasi elektron sebagai berikut :
P = 2 8 7 S = 2 8 8 Q = 2 8 8 1 T = 2 8 18 4 R = 2 8 18 2
Diantara unsur di atas, yang paling stabil ( paling sukar membentuk ikatan kimia )
adalah …
P
S
Q
T
R
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cara untuk mendapatkan kestabilan atom unsur yang memiliki elektron valensi 6 adalah dengan
Melepaskan 6 elektron valensinya
Mengikat 2 elektron dari atom lain
Mengikat 3 elektron dari atom lain
Mengikat 4 elektron dari atom lain
Mengikat 1 elektron dari atom lain
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