Helium atoms are chemically unreactive because
...Helium atoms are chemically unreactive because
there are no electrons around the nucleus
the number of protons equals the number of electrons
there are equal number of protons and neutrons in the nucleus
the outer electron shell is completely filled
the atoms contain only protons
Correct answer is D
No explanation has been provided for this answer.
What is the chemical symbol for Silver? ...
Which of the following will produce a solution with pH less than 7 at equivalent point? ...
A positive brown ring test indicates the presence of...
The acidic hydrogen in the compound is the hydrogen attached to carbon number...