KIMIA UNSUR 3

KIMIA UNSUR 3

12th Grade

50 Qs

quiz-placeholder

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KIMIA UNSUR 3

KIMIA UNSUR 3

Assessment

Quiz

Chemistry

12th Grade

Medium

Created by

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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