18. Diagram 8 shows the electron arrangement for the N2+ ion.
An atom of element N contains 12 neutrons.
Rajah 8 menunjukkan susunan elektron bagi ion N2*
Atom bagi unsur N mengandungi 12 neutron.
2+
Diagram/Rajah 8
What is the nucleon number of element N?
Apakah nombor nukleon bagi unsur N?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

How can parts of a solution be separated by chromatography?