These exercises are not divided by category, although they are roughly in the order of the topics in the chapter. They are not paired.
A cube of gold that is 1.00 cm on a side has a mass of 19.3 g. A single gold atom has a mass of 197.0 amu.
(a) How many gold atoms are in the cube? (b) From the information given, estimate the diameter in Å of a single gold atom. (c) What assumptions did you make in arriving at your answer for part (b)?
Chemistry 1: Chapter 1 Notes A highlight & bold= Definition *= conversion factor or unit/formula Bold= Examples & things you should know The Study of Chemistry Chemistry-The study of matter and the changes that matter undergoes. Matter- anything that has a mass and occupies space. The Scientific Method Step 1: Gather data from observations and experiments. An observation is something that you can see it can be a natural phenomenon and measured events. Example: The milk is lumpy so it has spoiled. (Natural phenomenon) There are 5 dogs with 4 legs because of a mutation (measured events).