What is the atomic number of an atom and How many electrons are there in an atom of Nitrogen when it has an atomic number of 7?
The atomic number is equal to the number of protons in an atom. The number of protons in an atom is equal to the number of electrons in an atom so the number of electrons in nitrogen is 7 electrons
TA
Related Chemistry GCSE answers
All answers ▸Give the names of three commonly known types of subatomic particles along with their charge and relative masses. In the basic model of the atomic structure, where would one find each of these particles?
State the effect that increasing the temperature has on the rate of the reaction. Explain this effect in terms of particles and collisions.
Write ionic half-equations for the reactions at the electrodes in aluminium extraction.
What is the value of 'a' when '4a-b=38' and 'b' has the value of '2'?