
Kimia Unsur - Golongan Utama
Quiz
•
Chemistry
•
12th Grade
•
Easy
maria eny
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur terbanyak di kulit bumi yaitu ....
silikon dan aluminium
besi dan aluminum
oksigen dan silikon
oksigen dan besi
kalsium dan silikon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur berikut yang termasuk golongan alkali tanah yaitu ....
natrium, rubidium, kalium
natrium, magnesium, litium
kalsium, barium, stronsium
kalium, berilium, barium
aluminium, magnesium, stronsium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang merupakan sifat kimia golongan alkali yaitu ....
membentuk ion bermuatan +2
bereaksi hebat dengan air menghasilkan gas hidrogen
oksidator kuat
tidak reaktif
sangat mudah tereduksi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur terbanyak di atmosfer bumi yaitu ....
oksigen, nitrogen, argon
oksigen, helium, hidrogen
nitrogen, karbondioksida, metana
metana, karbondioksida, argon
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
unsur yang di alam terdapat sebagai monoatomik dan bersifat inert yaitu
He, Kr, Ne
Cl, Br, I
K, Na, Li
Be, Mg, Ca
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah sifat fisik unsur golongan alkali dari atas ke bawah, kecuali ....
jari-jari atom semakin besar
kekerasan logam menurun
sifat logam semakin lemah
energi ionisasi semakin kecil
membentuk ion bermuatan +1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur gas mulia bersifat stabil karena .....
dapat bereaksi dengan unsur lain yang sangat reaktif
mempunyai konfigurasi elektron duplet atau oktet
terdapat sebagai gas monoatomik
mempunyai gaya antar molekul yang lemah (gaya dispersi/ London)
di alam tidak terdapat sebagai senyawa
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