Help!!which statements apply to laws?check all that apply. a law is a factual statement. a law is testable. a law is a possible answer to a scientific question. a law is an explanation. a law cannot be changed or replaced

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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

What diagram shows the ionic compound of magnesium oxide