who is good at 6th grade science and is willing to help we with a test i have rn? its easy stuff its like A B C or D answers pl we can do it on pa. dlet or just on

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

In salt water solution,the salt is the blank