Sifat Periodik Unsur

Quiz
•
Chemistry
•
1st Grade
•
Hard
Zulfadhilah Zulfadhilah
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
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
3 mins • 5 pts
Pernyataan yang benar untuk unsur nitrogen (nomor atom = 7) dan oksigen (nomor atom = 8) adalah…
keduanya mempunyai jumlah elektron tak berpasangan yang sama
energi ionisasi nitrogen lebih kecil daripada oksigen
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
3 mins • 5 pts
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…
0,89
0,80
1,23
1,57
2,03
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Diketahui empat macam unsur 8A16 ; 16B32 ; 17C35 ; 18D36 dan Pernyataan yang benar tentang unsur-unsur tersebut…
unsur B memiliki jari-jari atom terbesar
Potensial ionisasi D adalah yang terbesar
unsur A lebih elektronegatif daripada unsur B
elektronegatifitas unsur D adalah yang terbesar
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Kelompok unsur berikut yang tidak termasuk logam adalah....
Cu, Ag, Au
Fe, Ni, Zn
Li, Na, K
C, O, S
Mg, Ca, Al
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