Advertisements
Advertisements
Question
Give a reason why the non-metals – halogens and noble gases are placed in separate groups of the periodic table with special reference to their difference in properties.
Advertisements
Solution
- Non-metals with halogens are highly reactive. Salts are easily formed when they react with metals. On the other hand, noble gases are inert or inactive due to their stable electronic configuration.
- Halogens typically exist as diatomic molecules whereas noble gases are monoatomic.
APPEARS IN
RELATED QUESTIONS
Give two uses of Antimony
Give two uses of Germanium
Fill in the blank
_________ is the hardest compound known to us
Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
A metalloid used to make glass :
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Saline glucose is a solution of glucose and _______
The most ductile metal is _______.
State what are metalloids.
Compare the properties of metalloids with those of metals.
State the uses of three different metalloids.
State whether the statement given below is true or false. If false write the correct statement.
Silicon is an example of a metalloid.
Write down the properties of metalloids.
______ is used as semiconductor.
Give two examples for metalloids.
Metalloids are ______ at room temperature.
