Advertisements
Advertisements
Question
Justify the position of hydrogen in the periodic table.
Advertisements
Solution
Hydrogen is the first element in the periodic table. Its atomic number is 1, and it has only one electron in its valence shell. So, it belongs to the first group and the first period of the periodic table.
APPEARS IN
RELATED QUESTIONS
Why does hydrogen show dual nature?
Compare hydrogen with alkali metals on the basis of:
Reaction with oxygen
Why hydrogen was called 'inflammable air'?
State some sources of hydrogen.
Compare hydrogen and halogens on the basis of:
ion formation
Compare hydrogen and halogens on the basis of:
valency
Write the reaction of steam with a red hot iron.
Write a balanced equation for the following:
Zinc reacts with caustic soda solution
Write a balanced equation for the following:
Lead reacts with potassium hydroxide
Name the following.
A compound formed between hydrogen and an element from group 17 [VIIA] – period 3.
