
Kimia Unsur
Authored by Ghinna Restiani
Chemistry
1st - 3rd Grade
Used 210+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur yang paling melimpah di udara adalah....
oksigen dan argon
nitrogen dan oksigen
argon dan hidrogen
hidrogen dan helium
helium dan nitrogen
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan berikut yang tidak sesuai dengan keadaan gas mulia....
di alam berada dalam keadaan unsur bebas
energi ionisasinya terbesar dalam periodenya
semua gas mulia tidak dapat dibuat senyawa
konfigurasi elektron gas mulia memenuhi kaidah oktet
semakin besar nomor atom semakin reaktif
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur golongan gas mulia dengan energi ionisasi paling tinggi....
helium
neon
argon
kripton
xenon
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut merupakan unsur halogen yang berwujud cair pada suhu kamar, yaitu....
F2
Cl2
Br2
I2
At2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur-unsur halogen berada di alam dalam bentuk senyawanya, karena....
senyawanya sangat stabil
halogen tergolong gas inert
tidak berikatan dengan unsur lain
halogen sangat reaktif
sukar bereaksi dengan unsur lain
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Urutan kekuatan asam halida adalah....
HF < HCl < HBr < HI
HF < HBr < HI < HCl
HBr < HI < HF < HCl
HI < HF < HCl < HBr
HI < HCl < HBr < HF
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada elektrolisis larutan garam logam alkali atau alkali tanah tidak dihasilkan logamnya karena ….
sifat oksidatornya lemah
sifat reduktornya lemah
garam halidanya mempunyai titik leleh tinggi
energi ionisasi tinggi dari logam lain
ion logamnya tidak mengalami reduksi
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