What are all substances made of?

AQA Chemistry revision

Quiz
•
Chemistry
•
8th Grade
•
Hard
Dr Southern
Used 2+ times
FREE Resource
83 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms
Molecules
Cells
Compounds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest part of an element that can exist?
Atom
Molecule
Compound
Mixture
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms of each element are represented by:
Atomic number
Chemical symbol
Molecular weight
Electron configuration
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different elements are shown in the periodic table?
118
120
115
110
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compounds are formed by the combination of:
elements
molecules
atoms
ions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do chemical reactions always involve?
The formation of new substances
The change in temperature
The presence of a catalyst
The use of water
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can compounds be separated into elements?
By chemical reactions
By physical methods
By heating
By cooling
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