An atom of zinc that contains 30 protons and 38 neutrons would be named what

A.(nh4)(2co3)is the correct answer 

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

The answer to your question would be c. mineral oil