SIFAT PERIODIK UNSUR
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
irni desira
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Di bawah ini terdapat susunan elektron beberapa unsur:
P : 1s22s22p63s1
Q : 1s22s22p63s2
R : 1s22s22p63s23p5
S : 1s22s22p63s23p63d34s2
T : 1s22s22p63s23p64s1
Berdasarkan susunan elektron di atas, maka unsur yang paling mudah menjadi ion positif adalah…
P
Q
R
S
T
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pernyataan yang benar untuk unsur nitrogen (nomor atom = 7) dan oksigen (nomor atom = 8) adalah…
energi ionisasi nitrogen lebih kecil daripada oksigen
keduanya mempunyai jumlah elektron tak berpasangan yang sama
keduanya terletak dalam golongan yang sama
afinitas elektron nitrogen lebih besar daripada oksigen
jari - jari atom nitrogen lebih kecil daripada oksigen
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nomor atom S = 16, maka konfigurasi elektron ion sulfida (S2-) adalah…
1s22s22p63s23p2
1s22s22p63s23p4
1s22s22p63s23p6
1s22s22p63s23p43d2
1s22s22p63s23p44s2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konfigurasi elektron Fe: [Ar] 3d64s2. Jumlah elektron yang tidak berpasangan pada atom Fe adalah…
1
2
3
4
5
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Diketahui nomor atom S = 16, Cl = 17, Ar = 18, Ca = 20, dan Kr = 36. Ion Cl- akan mempunyai konfigurasi elektron yang sama dengan…
S2-
Ca2+
Ar
Kr
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui nomor atom Ca = 20, Cu = 29, K = 19, Ti = 22 dan Cr = 24. Ion-ion di bawah ini semua elektronnya berpasangan, kecuali ion…
Ca2+
Cu2+
K+
Ti4+
Cr6+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titanium mempunyai nomor atom 22. Jumlah elektron
yang tidak berpasangan yang terdapat dalam ion Ti3+ adalah…
0
1
2
3
4
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