What elements make up this compound? Check all that apply.
carbon
chlorine
helium
hydrogen
osmium
oxygen
Intro

they begin to vibrate harder causing the material that was solid to turn into a liquid i.e gallium or ice

catya that's not even a b or c

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.