HELP!! The diagram below shows a water molecule. Explain how the diagram shows that water is made up of polar molecules.

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 is the mass of 0.46 mil of mgcl2

Draw the structure for 5-isopropyl-2-methyl-3-nonene