FR atom,ion,molekul
Authored by Reza Fauzi
Physics
9th Grade
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Senyawa Al2(SO4)3 tersusun dari atom-atom Al, S dan O berturut-turut sebanyak . . .
2, 3, 12
2, 1, 4
2, 3, 7
6, 1, 12
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Partikel-partikel kecil dan tidak dapat dibagi lagi disebut …
Ion
Atom
Molekul
Kation
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Teori atom pertama kali dikemukakan oleh …
Lavoisier
Democritus
Dalton
Avogadro
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pernyataan berikut yang tidak benar tentang unsur K adalah …
Dalam inti atom unsur K terdapat 20 neutron
Atom unsur K mempunyai nomor massa 20
Dalam inti unsur K terdapat 19 proton
Nomor atom unsur K adalah 19
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rumus kimia berikut ini yang merupakan kation adalah . . .
NH4+
OH-
H2S
FeS
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu atom bermuatan positif disebut . . .
Molekul
Anion
Ion
Kation
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Unsur Y mempunyai nomor atom 20 dan nomor massa 40, maka ion Y+ mempunyai . . .
20 elektron
19 elektron
22 neutron
22 proton
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