SIFAT-SIFAT PERIODIK UNSUR KELAS X
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Munasir Munasir
Used 15+ times
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20 questions
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1.
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
2.
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
3.
MULTIPLE CHOICE QUESTION
2 mins • 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
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
Berdaarkan data tabel di atas unsur yang paling elektronegatif adalah…
K
L
M
N
O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energi ionisasi dari beberapa unsur periode 3 dapat dilihat pada tabel di atas.
Unsur yang bersifat logam adalah…
P
Q
R
S
T
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Persamaan reaksi manakah yang menggambarkan energi ionisasi kedua untuk besi?
Fe+(g) -----> Fe2+(g) + e
Fe(s) -----> ® Fe2+(g) + 2e
Fe(g) -----> Fe2+(g) + 2e
Fe+(s) -----> Fe2+(g) + 2e
Fe+(s) -----> Fe2+(s) + 2e
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