If the number of protons in a neutral atom is 92 and its mass number is 238: a. What is the name of that element? b. How many electrons does it have? c. How many neutrons does it have?
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).
Textbook: Earth Science
Author: Edward J. Tarbuck
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