Atoms are very small approximately how many atoms would it take to make a stack as thick as a patato chip

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 of the following units is not an official si unit? mole liter kilogram ampere

Which type of intermolecular force is pbr3