WorksheetsCompounds part II
Total questions: 10
Worksheet time: 5mins
Which one is an example of a chemical reaction?
Mixing cake batter
Adding eggs to the batter
Baking a cake
Taking the cake out of the oven
When two elements react and form a chemical bond they have formed
an element
a mixture
a compound
an atom
Is Vinegar an element or compound?
Compound
Element
In a chemical reaction, what happens to the total number of atoms?
The compounds stay the same (nothing changes)
One substance dissolves something else
The materials change state
Chemicals combine to form new substances
What is the chemical formula for the picture?
Na3SO3
NaOS
Na2SO3
Na2SO4
What happens to an element's properties when it joins with another element to form a compound?
The element loses it's properties
The compound loses it's properties
The element stays the same
The compound does not change
What is a compound?
A combination of elements not chemically linked
Two or more elements chemically bonded together
A solution of elements
One element on the periodic table
Which of the following is an example of a compound?
Salt
Helium
Copper
Carbon
How many Oxygen atoms are in CaCO3
1
2
3
4
What is the abbreviation for a compound?
chemical symbol
chemical formula
chemical equation
chemical reaction
