WorksheetsAtoms, Elements and Compounds
Total questions: 10
Worksheet time: 10mins
Which of the following statements about atoms and elements are true?
All matter is made up of atoms.
There are different types of atom.
Each element is made from two or three types of atoms.
Copper atoms are the same as oxygen atoms.
All elements are gases.
Write the symbols of the following elements in the order they appear:
Carbon, Oxygen, Iron, Sodium, Copper, Magnesium.
(a)
How are elements with similar properties arranged in the periodic table? Name the scientist responsible for this arrangement.
In Horizontal Periods. Mendeleev
In Vertical Groups. Mendeleev
In Horizontal Periods. Dalton
In Vertical Groups. Dalton
Choose two of the groups of the periodic table that contain very reactive metals
Group 0
Group 1
Group 2
Group 6
Group 7
Which group of the periodic table contains extremely unreactive non-metals?
Group 0
Group 1
Group 2
Group 6
Group 7
Which is the definition of a compound?
When two or more atoms join together
When two or more elements join together
When two or more different elements join together
When two or molecules join together
What compound does the formula H2SO4 represent?
(a)
Match each diagrams to the label that it represents.
Write your answer in the form: A?, B?, C? (a)
Rule 1: When two different elements combine the ending is usually "something - ide"
e.g. Sodium + Fluorine > Sodium Fluoride
Fill in the blank for this equation:
Lithium + Chlorine > (a)
Rule 2: When three or more different elements combine - and one of them is oxygen - the ending will usually be "something - ate".
e.g. Copper + Sulfur + Oxygen > Copper Sulfate
Finish this word equation:
Sodium + Oxygen + Carbon > (a)
