WorksheetsAtoms , elements and compounds
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
The smallest unit inside a element is (a)
2.
A compound is made up of
a)
2 elements or more
b)
1 element
c)
Virus
d)
Bacteria
3.
What is H2O ?
a)
Element
b)
Compound
c)
Atom
d)
Mass
4.
Which is the code for tin
a)
Sn
b)
Sr
c)
Ba
d)
La
5.
Which two elements are in the following compound that makes table salt NaCl
a)
Sodium
b)
Caesium
c)
Tungsten
d)
Chlorine
6.
What is the scientific name fore table salt ?
a)
Aluminium oxide
b)
Sodium chloride
c)
Hydrogen chloride
7.
What is a molecule ?
a)
Virus
b)
A element
c)
Made up of atoms of two elements
8.
What does water exist as ?
a)
Chlorine
b)
Spring
c)
Molecule
d)
Sodium
9.
Tooth enamel is a compound of (a)
10.
Oxygen molecules mix with __________ and ____________ of other substances
a)
Bad bacteria
b)
Molecules
c)
Good bacteria
d)
Atoms
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