Advertisements
Advertisements
प्रश्न
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
Advertisements
उत्तर
An alkaline earth metal in period 3 is Mg [Magnesium]
APPEARS IN
संबंधित प्रश्न
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Write the electronic configuration of the first two alkaline earth metals.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Filling balloons
Name the gas used in:
Bright colour advertising light works
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Give reason:
Inert gases do not form compounds.
Write a short note on the following type of element –
noble gases
Select the correct answer from the options given below.
The most reactive halogen from group 17.
