alkali
Quiz
•
Chemistry
•
University
•
Easy
Rahmah al syukria
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara kontigurasi elektron di bawah ini yang merupakan konfigurasi elektron logam alkali (IA) adalah…
[He] 2s2 2p1
[Ar] 4s2 3d1
[Kr] 5s1
[Xe] 6s2 5d1
[Rn] 7s2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alkali dapat diartikan…
api
batu
abu
tanah
udara
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Warna nyala logam alkali yang berwarna kuning berasal dari unsur . . . .
Li
Na
K
Rb
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Logam alkali yang bersifat radioaktif adalah…
Natrium
kalium
litium
fransium
rubidium
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
berikut yang bukan merupakan kegunaan senyawa NaOH atau soda kaustik adalah . . . .
untuk melarutkan lemak/kotoran pada saluran pembuangan rumah tangga
sebagai bahan baku pembuatan sabun
untuk melarutkan selulosa kayu pada industri pembuatan kertas
sebagai bahan baku pembuatan natrium hipoklorit atau pemutih
menaikkan pH tanah perkebunan
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kereaktifan logam alkali disebabkan oleh rendahnya….logam alkali
afinitas elektron
energi ionisasi
sifat kelogaman
titik didih
massa jenis
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam unsur logam alkali yang merupakan reduktor terkuat adalah….
cek dari tabel sebelah ya
Cs
Rb
K
Li
Na
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