
SOAL KIMIA UNSUR 2024
Authored by Ana Muslimah
Chemistry
12th Grade
Used 43+ times

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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Kereaktifan unsur-unsur gas mulia
berikut yang benar adalah. . . .
Kemampuan bereaksi gas mulia
semua sama
Xenon lebih reaktif daripada argon
Kripton tidak dapat direaksikan
dengan unsur manapun
Senyawa helium, neon, argon
belum dapat dibuat
Xe lebih mudah direaksikan
dengan oksigen daripada fluorin
2.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Pernyataan di bawah ini yang merupakan
sifat gas mulia adalah. . . .
Terletak pada sisitem periodik pada
periode ke delapan
Nomor atom terkecil adalah 8
Sangat reaktif
Elektron pada kulit terluarnya 8, kecuali
He
Merupakan molekul diatomik
3.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Berdasarkan urutan sifat oksidator
unsurunsur halogen maka reaksi redoks
di bawah ini yang tidak mungkin
berlangsung adalah. . . .
Br2 + 2F- → F2 + 2Br-
Cl2 + 2Br- → 2Cl- + Br2
2Br- + F2 → 2F- + Br2
2I- + Br2 → I2 + 2Br-
2Cl- + F2 → Cl2 + 2F-
4.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Kekuatan titik didih asam dari yang
tertinggi ke terendah adalah. . . .
HF > HCI > HBr > HI
HI > HBr > HCI > HF
HBr > HF > HI > HCI
HF > HI > HBr > HCI
HBr > HI > HCI > HF
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Sifat berikut ini dimiliki oleh unsur
alkali, kecuali. . . .
Mudah kehilangan elektron
Bersifat basa jika bereaksi dengan air
Sangat lunak dan mudah diiris
Reaktif dengan air
terdapat di alam dalam keadaan bebas
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Keaktifan logam alkali disebabkan
karena. . . .
afinitas elektronnya rendah
energi ionisasinya rendah
logamnya lunak
titik didihnya rendah
massa jenisnya rendah
7.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Logam alkali tanah yang jika dibakar akan memberikan warna nyala merah tua adalah. . . .
Sr
d. Cu
Mg
Na
Ba
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