WorksheetsGroup 18 elements
Total questions: 12
Worksheet time: 12mins
What are the elements in group 18 (the far right) of the periodic table called?
Alkali metals
Alkaline earth metals
Halogens
Noble gases
Diagram shows the symbol of neon. Which statements is not true about neon?
Neon exist as a monatomic
Neon has low melting and boiling point
Neon has a low density
Neon reacts with bromine to form a covalent compound
A construction worker wants to weld two pieces of iron together during the construction of a tall building. Which of the following elements, J, L, M or Q, is the most suitable to be used to provide an atmosphere which can prevent the hot iron from reacting with oxygen in the air during welding?
Which property of Group 18 elements increases when going down the Group in the Periodic Table?
Forces of attraction
Reactivity
Solubility in water
Electrical conductivity
The symbol for helium is
H
He
Hl
Hm
The Alkali Metals = Group 1
The Halogens = Group 17
The Noble Gases = Group 18
The Alkaline Earth Metals = Group 2
Why is Helium used in divers' tank but not hydrogen gas?
Helium is lighter than hydrogen
Helium is inert to any chemical reactions
Helium is cheaper
Helium is easy to get from market
Argon (proton number =18) is inert to any chemical reaction because
It is light
it is located in Group 18
argon atom has achieved stable duplet electron arrangement
argon atom has achieved stable octet electron arrangement
What is gas X?
Neon
Argon
Krypton
Hydrogen
All Group 18 elements exist as monoatomic gas.
True
False
The element which does not react with other elements is
likely to have proton number of….
4
8
12
18
Which of the following is not the physical properties
of noble gas?
Low melting and boiling point
Poor conductor of heat an electricity
High density
Colourless monoatomic gas
