Laboratory analysis of a sample of paraldol shows that it contains 4.67 g of carbon, 0.77 g of hydrogen, and 3.12 g of oxygen. What is the percentage composition of paraldol?

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

Which statement best describes the he properties of iconic compounds ?

How are the terms group and period used on the periodic table