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WorksheetsElements & compounds
Total questions: 20
Worksheet time: 16mins
Which is the best description of an element?
A substance that cannot be broken down into simpler substances
A collection of atoms that have different abilities when joined together
A man-made mineral
A mixture of substances
Which one is a compound?
Ni
F
Re
NaCl
"Na" is the element's
Chemical Formula
Compound
Name
Chemical Symbol
The place where known elements are represented...
The Period Table
Compounds
Chemical Formula
Graph
Does the image show an element or a compound?
Element
Compound
Neither
Mixture
Which statement best describes an element?
pure, made of more than one type of atom
when combined, a chemical reaction forms
pure, made of only one type of atom
can be broken down easily
Both elements and compounds are pure substances.
Agree
Disagree
Can be broken down into a simpler substance
Elements
Compounds
Both
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
Which of the following is a compound?
Si
CO2
Cl
He
Ti
Which of the following represents an element?
H2O
HCl
NaCl
Au
CaCO3
Below is a list of some substances and their symbols.
Oxygen O
Sodium Chloride NaCl
Gold Au
Neon Ne
How many of these substances are an example of an element?
1
2
3
4
Which of the following substance is NOT a compound?
Carbon dioxide
Hydrogen
Salt
Sugar
