Which of the following is a brønsted-lowry base? a) ch4 o b) hcn c) nh3 d) c12

Ithink 2.2 ibs i think i learned a bit about it

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.

B. nuclear reactions could first occur.