7. These people are not concerned with the health of other people. The first element in every group
o representatwe elements shows properties datterent from the characteristic properties of the
group
a) Name three such elements
[b]Give two abnormal properties of each one of them.
Answers
Answered by
0
Answer:
a) The elements which show abnormal behaviour are lithium , beryllium and carbon (represntative elements means elements of s and p block)
The abnormal behavior of lothium includes :
Reaction with nitrogen to from Li3N
On decomposition of its nitrate it gives an oxide...whereas other elements nano3 gives nano2 + o2
Abnormal behavior of beryllium includes :
High melting and boiling point
Formation of covalent bonds
Abnormal behavior of carbon includes :
Catenation
High melting and boiling point
Explanation: hope it helps you...please mark as brainliest
Similar questions