IPA kelas 8 Sifat Keperiodikan Unsur
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Pernyataan yang benar tentang sifat – sifat keperiodikan unsur dalam satu periode dari kiri ke kanan adalah ….............
sifat logam bertambah
jari – jari atom berkurang
energi ionisasi berkurang
keelektronegatifan berkurang
sifat asam berkurang
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur – unsur yang mempunyai kemiripan sifat ditempatkan dalam …
A. periode yang sama
B. golongan yang sama
C. blok yang sama
D. kulit yang sama
E. wujud yang sama
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara sifat periodik unsur berikut, yang benar dalam satu golongan dari atas ke bawah adalah …................
jari – jari atom makin pendek
elektronegativitas makin besar
energi ionisasi makin besar
afinitas elektron makin kecil
sifat logam makin berkurang
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui beberapa energi ionisasi untuk X = 520; Y = 419; Z = 496; A = 376; B = 403 (dalam kJ/mol). Urutan yang benar dari unsur logam alkali berdasarkan harga energi ionisasi dari atas ke bawah adalah …
X – Y – Z – A – B
B – A – Z – Y – X
Z – Y – X – B – A
A – B – X – Y – Z
X – Z – Y – B – A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antar deret unsur halogen, atom yang memiliki keelektronegatifan paling besar adalah …
F
Cl
Br
I
At
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam pengelompokan unsur, Lavoisier mengelompokkan unsur menjadi 33 unsur kimia. Yang menjadi dasar pengelompokkan tersebut adalah ....
Sifat fisika unsur
Sifat kimia unsur
Kemiripan sifat
Kenaikan massa atom relatif
Kenaikan jumlah proton
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sistem periodik unsur modern disusun berdasarkan pengelompokan unsur yang dilakukan oleh ....
Lothar Meyer
Dalton
Mendeleev
Henry Moseley
Newlands
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