
KIMIA UNSUR 3

Quiz
•
Chemistry
•
12th Grade
•
Medium
Bertha Setyaningsih
Used 16+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara unsur-unsur berikut yang bukan logam alkali adalah…
Rubidium
Kalium
Kalsium
Natrium
Lithium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini yang bukan merupakan sifat logam alkali adalah…
Senyawanya mudah larut dalam air
Sangat Lunak sehingga mudah diiris dengan pisau
Unsur-unsurnya reaktif
Reduktor air yang baik
Terdapat di alam dalam keadaan bebas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Warna nyala logam kalium yang dihasilkan melalui tes uji nyala adalah…
Putih
Hijau
Ungu
Merah
Kuning
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Urutan golongan alkali berdasarkan jari-jari atom yang terbesar ke terkecil adalah…
Li, Na, K, Rb
Na, Rb, K, Li
Rb, K, Na, Li
K, Li, Na, Rb
Na, K, Li, Rb
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Reaksi natrium dengan air akan menghasilkan ....
NaOH dan H2
NaOH dan O2
NaOH, H2 dan O2
NaH dan O2
Na2O dan H2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Basa yang paling kuat adalah .....
KOH
NaOH
LiOH
RbOH
CsOH
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. Unsur – unsur alkali dengan urutan Li, Na, K, Rb, Cs memiliki sifat – sifat berikut, kecuali ....
Jari – jari atom makin besar
Energi ionisasi makin besar
Massa jenis makin besar
Nomor atom makin besar
Massa atom makin besar
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