
Ulangan harian unsur golongan utama
Quiz
•
Chemistry
•
12th Grade
•
Hard
Dessyyanti fisika
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Urutan unsur-unsur alkali tanah berdasarkan sifat reduktor dari kuat ke reduktor lemah adalah …
Ca, Mg, Sr, Ba
Mg, Ca, Ba, Sr
Mg, Ca, Sr, Ba
Ba, Sr, Ca, Mg
Ca, Ba, Mg, Sr
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kereaktifan logam alkali tanah dari bawah keatas adalah..
Semakin kecil ditunjukan dengan makin kecilnya harga energi ionisasi.
Semakin besar ditunjukan dengan makin kecilnya harga energi ionisasi.
Semakin kecil ditunjukan dengan makin besarnya harga energi ionisasi.
Semakin besar ditunjukan dengan makin besarnya harga energi ionisasi.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diantara sifat-sifat dibawah ini yang bukan sifat logam alkali adalah ….
Mudah bereaksi dengan air
Terdapat di alam dalam keadaan bebas
Putih mengkilap seperti perak
Membentuk oksida basa
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gas mulia yang terbanyak di atmosfer adalah. . .
Helium
Neon
Argon
xenon
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Manakah sifat gas mulia yang makin berkurang dengan bertambahnya nomor atom. . .
Energi ionisasi
Volume atom
Titik didih
Titik leleh
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Helium tergolong gas mulia, sebab. . .
Sifatnya mirip neon
Pada suhu kamar berwujud gas
Elektronnya mengisi orbital s
Nomor atomnya 2
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