What is a successful outcome for using a scientific method?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Compare sympathetic and parasympathetic