WorksheetsAtoms elements and Compounds
Total questions: 20
Worksheet time: 11mins
C is the correct chemical symbol for which element?
calcium
copper
carbon
caesium
Which is the correct definition for an element?
A substance made up of only one type of atom that can be broken down
Two or more substances that are not chemically combined
Two or more different atoms that are chemically combined
A substance made up of only one type of atom that cannot be broken down
The smallest part of an element is called...
a compound
a mixture
an element
an atom
Which is the correct definition for a compound?
A substance made up of only one type of atom that can be broken down
Two or more substances that are not chemically combined
Two or more different atoms that are chemically combined
A substance made up of only one type of atom that cannot be broken down
Which elements are present in H2SO4?
hydrogen and oxygen
hydrogen, oxygen and sodium
hydrogen, oxygen and sulfur
hydrogen, oxygen and silicon
What is the chemical symbol for copper?
C
Co
Cp
Cu
Is water an element or a compound?
compound
element
What is the name of the compound formed from sodium and chlorine?
sodium chlorine
schloride
sodium chloride
chloride sodium
Select the diagram that shows an element.
Select the elements from this list.
Carbon dioxide
Hydrogen
Nitrogen
Hydrochloric acid
Iron
Select the compounds from this list.
Carbon dioxide
Methane
Nitrogen
Hydrochloric acid
Iron
Select the elements from this list.
O2
CO2
HCl
CH4
Fe
Which of the following is represented in this diagram?
Mixture
Element
Compound
Molecule
What is made of only 1 type of atom?
atoms
elements
compounds
mixtures
This picture represents which of the following?
Element
Compound
Molecule
What is the symbol for sodium?
Na
So
Sd
Nd
Which of the following is a compound?
Iron
Oxygen
Water
Helium
What is the atomic number of carbon?
5
6
7
8
