Atom berikut ini yang mempunyai elektron valensi sebanyak tujuh elektron adalah

QUIZ IPA KELAS 10

Quiz
•
Science
•
10th Grade
•
Hard
Feggy Arini
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6C
8O
15P
19K
17Cl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konfigurasi elektron yang paling tepat dari unsur 19K 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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika nomor atom belerang adalah 16, maka konfigurasi elektron dari ion S2- adalah ...
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p4 4s2
1s2 2s2 2p6 3s2 3p2 4s2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion berikut yang mempunyai konfigurasi elektron : [Ar] 3d4 adalah ...
20Ca2+
22Ti2+
24Cr2+
25Mn2+
26Fe2+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini, deretan bilangan kuantum pada atom 9F adalah
n = 1 ; l = 0 ; m = 0 ; dan s = -1/2
n = 1; l = 0; m = 0; dan s = +1/2
n = 2; l = 1; m= +1 dan s = +1/2
n = 2 ; l =1 ; m = -1 dan s = +1/2
n = 3; l=2; m = +2; dan s = +1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur yang terletak pada golongan IIA, periode 4 mempunyai nomor atom ...
40
24
20
18
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara unsur-unsur : 11Na, 12Mg, 13Al, 19K, dan 20Ca yang sifat logamnya paling kuat adalah ...
Na
Mg
Al
K
Ca
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