SIFAT PERIODIK UNSUR
Quiz
•
Chemistry
•
12th Grade
•
Medium
Yetty Ponirosewati
Used 14+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 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 negatif adalah…
P
Q
R
S
T
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang benar untuk unsur nitrogen (nomor atom = 7) dan oksigen (nomor atom = 8) adalah…
energi ionisasi nitrogen lebih besar dari pada 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 besar daripada oksigen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nomor atom S = 16, maka konfigurasi elektron ion sulfida (S2-) adalah…
1s22s22p63s23p2
1s22s22p63s23p4
1s22s22p63s23p6
1s22s22p63s23p43d2
1s22s22p63s23p44s2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara sifat periodik berikut, sifat yang benar dalam satu golongan dari atas ke bawah adalah…
jari-jari atom semakin pendek
elektronegativitas semakin besar
energi ionisasi semakin kecil
afinitas elektron semakin besar
sifat logam semakin berkurang
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur dengan keelektronegatifan tinggi mempunyai konfigurasi elektron pada keadaan dasar adalah…
1s22s22p1
1s22s22p63s1
1s22s22p63s23p5
1s22s22p63s23p6
1s22s22p63s23p63d104s1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika jari-jari atom unsur Li, Na, K, Be, dan B secara acak dalam angstrom (Ao) adalah 2,01; 1,57; 1,23; 0,80; 0,89, maka jari-jari atom Li adalah…
2,03
1,57
1,23
0,89
0,80
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan data tabel di atas, letak unsur-unsur tersebut secara berurutan dari kiri ke kanan adalah…
O, P, Q, R, S
R, O, Q, P, S
S, R, O, Q, P
S, P, Q, O, R
S, R, Q, P, O
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