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 sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.