WorksheetsGROUP 18
Total questions: 11
Worksheet time: 4mins
This scientist classified elements according to certain groups such as gases, non-metals, metals and metal oxides.
Johann W. Dobereiner
Antoine Lavoisier
John Newlands
Lothar Meyer
Johann W. Dobereiner propose the Law of Octaves
True
False
This scientist plotted the graph of atomic volume against atomic mass of elements. He found that the elements at equivalent positions on the curve of the graph had similar chemical properties.
John Newlands
Johann W. Dobereiner
Dmitri Mendeleev
Lothar Meyer
Elements in the Periodic Table of Elements are arranged in
descending order of proton numbers
descending order of atomic sizes
ascending order of proton numbers
ascending order of nucleon numbers
The number of ___________________ will determine the
position of the group of an element.
total electrons
protons
valence electrons
The electron arrangement of Aluminium is 2.8.3. In which group does Aluminium belongs in Periodic Table of Elements?
Group 3
Group 13
This element has 6 valence electrons and its proton number is 8. In which period does the element located in Periodic Table of Elements?
Period 2
Period 6
Period 8
how many groups/families are on the table
15
16
17
18
A row on the Periodic Table of Elements
family
period
row
isotope
Proton number of argon is 18. State the group of argon.
8
3
13
18
Proton number of potassium is 19. State the correct position for potassium
Group 11, Period 4
Group 4, Period 1
Group 19, Period 4
Group 1, Period 4
