Question

example of protons and valancy

Answer 1

An example of proton is the single proton in the nucleus of a single hydrogen atom.
example of valancy is as follows:
oxygen valancy is two

Answer 2

proton is a particle with a positive charge.. 
Example of protons is hydrogen.

the Combining capacity is known as Valency.
the examples of valency are
>> carbon has 4 valency.
>> nitrogen has 5 valency.
>> oxygen has 1 valency.
>> hydrogen has 2 valency..


thanks