
asas pengiraan formula kimia

Quiz
•
Chemistry
•
6th - 8th Grade
•
Hard
NUR MAZLAN
Used 48+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apakah maksud satu mol bagi suatu bahan?
What is the meaning of one mole of a substance
Bilangan zarah bagi suatu bahan.
The number of particle of any substance
Jisim satu mol suatu bahan mengandungi 6.02x1023 zarah.
One mole of substance contains 6.02x1023 particles.
Jisim satu mol suatu bahan dipanggil jisim atom relatif.
The mass of one mole of any substance is call relative atomic mass.
Jumlah suatu bahan yang mengandungi bilangan zarah sama dengan bilangan atom dalam 12g karbon-12.
The amount of substance that contains as many particles as the number of atoms in exactly12 g of carbon-12.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nukleus atom mempunyai…
The nucleus of an atom contains…
elektron sahaja
electrons only
neutron sahaja
neutrons only
kedua-dua proton dan neutron
both protons and neutrons
kedua-dua proton dan elektron
both protons and electrons
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jadual di bawah menunjukkan maklumat bagi dua jenis zarah.
Table below shows the information for two types of particles.
Zarah -----------Nombor proton ----------Susunan electron
Particle -----------Proton number ------------Electron arrangement
----J ----------------------11 ------------------------------ 2.8
----K----------------------- 20 -----------------------------2.8.8
Berdasarkan maklumat dalam jadual, zarah J dan zarah K ialah
Based on the information in the table, particle J and particle K are
noble gases
gas adi
ion negative
negative ions
ion-ion positif
positive ions
isotop unsur yang sama
isotopes of the same element
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Yang manakah bahan mengalami pemejalwapan apabila dipanaskan?
Which of the following substances undergoes sublimation when it is heated?
Sulfur
Sulphur
Fosforus
Phosphorous
Natrium klorida.
Sodium chloride.
Ammonium klorida.
Ammonium chloride.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pemejalwapan
Sublimation
Resapan
Diffusion
Penyejatan
Evaporation
Penghidratan
Hydration
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
17
34
2
28
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara bahan yang berikut, yang manakah mangandungi bilangan atom yang sama dengan satu
mol gas klorin?
Which of the substance below contains the same number of atoms as in one mole of chlorine
gas?
1 mol nitrogen dioksida
1 mol nitrogen dioxide
0.5 mol natrium
0.5 mol sodium
1 mol neon
2/3 mol karbon dioksida
2/3 mol carbon dioxide
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