WorksheetsDiversity of Matter Quiz
Total questions: 10
Worksheet time: 5mins
What is an element?
A compound formed by chemical combination of elements
A pure substance made up of only one kind of atom
A mixture of two or more substances
A substance made by physical combination of two or more elements
Which of the following is a compound?
Oxygen
Water
Gold
Iron
What does the atomic number (Z) represent?
The total number of particles in an atom
The mass of an atom
The number of neutrons in an atom
The number of protons in an atom
Which of the following elements has the chemical symbol 'Na'?
Nitrogen
Neon
Calcium
Sodium
What is the charge of a neutron?
Variable charge
No charge
Negative
Positive
What is the maximum number of electrons that can occupy the first shell of an atom?
2
8
18
32
Which of the following is a mixture?
Hydrogen
Water
Bronze
Oxygen
What is the mass number (A) of an atom?
The total number of electrons
The sum of protons and neutrons
The number of neutrons only
The number of protons only
Which of the following elements is represented as 12C?
Cobalt
Copper
Calcium
Carbon
What is the nature of attraction between protons and electrons?
Attract each other
Only attract under certain conditions
Repel each other
Have no effect on each other
