Kimia unsur (gas mulia)
Interactive Video
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Ranisa Liza
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Golongan berapa unsur gas mulia dalam sistem periodik?
Golongan I A
Golongan II A
Golongan VII A
Golongan VIII A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa unsur-unsur gas mulia disebut "gas mulia"?
Karena mudah bereaksi dengan unsur lain.
Karena sangat stabil dan sulit bereaksi.
Karena memiliki warna yang indah.
Karena ditemukan dalam jumlah banyak di alam.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah di antara unsur berikut yang BUKAN merupakan gas mulia?
He (Helium)
Ne (Neon)
Kr (Kripton)
Cl (Klorin)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang menentukan golongan suatu unsur dalam sistem periodik?
Jumlah proton
Jumlah neutron
Elektron valensi
Massa atom
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur gas mulia manakah yang mencapai kestabilan dengan memenuhi kaidah duplet?
He
Ne
Ar
Kr
Xe
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana tren jari-jari atom dan energi ionisasi unsur-unsur gas mulia dari atas ke bawah dalam satu golongan?
Jari-jari atom meningkat, energi ionisasi meningkat.
Jari-jari atom menurun, energi ionisasi menurun.
Jari-jari atom meningkat, energi ionisasi menurun.
Jari-jari atom menurun, energi ionisasi meningkat.
Jari-jari atom dan energi ionisasi tidak menunjukkan tren yang jelas.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa titik leleh dan titik didih unsur-unsur gas mulia cenderung meningkat dari atas ke bawah dalam satu golongan?
Karena gaya London antarmolekul semakin lemah.
Karena jari-jari atom semakin kecil.
Karena nomor massa semakin bertambah, sehingga gaya London semakin kuat.
Karena energi ionisasi semakin meningkat.
Karena unsur-unsur tersebut menjadi lebih reaktif.
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