Advertisements
Advertisements
प्रश्न
Name the first three alkaline earth metals.
Advertisements
उत्तर
The first three alkaline earth metals are Beryllium, Magnesium, and Calcium.
APPEARS IN
संबंधित प्रश्न
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
Name two elements of each group.
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas having electronic configuration: 2, 8, 8.
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Write the electronic configuration of the first two alkaline earth metals.
Name the gas used in:
Filling balloons
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Inert gases do not form compounds.
‘The periodic table contains elements methodically grouped together’.
Give a reason for the following:
Noble gases do not form compounds readily.
