
Unsur kimia
Authored by Nesy Widyastuti
Science
9th Grade

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154 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Gas berbahaya yang dihasilkan dari pembakaran tidak sempurna adalah gas karbonmonoksida. Penulisan rumus kimia karbon monoksida adalah …
CO
CO2
C2O
CO3
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Senyawa garam dapur dinyatakan dengan lambang ….
H2O
NaCl
NaOH
H2SO4
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Contoh perubahan kimia adalah.....
Kertas terbakar
Es mencair
Lilin meleleh
Garam laut di dalam air
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan berikut ini yang benar tentang nomor atom dan nomor massa adalah ....
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk mengidentifikasi suatu unsur secara kualitatif berdasarkan pada gambar tersebut dengan cara...........
Uji nyala
Uji warna
Uji panas
Uji energi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada atom tersebut menunjukkan jumlah neutron sebanyak......
80
35
50
45
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar!
Jumlah proton, elektron, dan neutron unsur tersebut ...
13, 14, dan 27
13, 27, dan 40
14, 14, dan 27
13, 13, dan 14
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