Chapter 2 - Chemistry of Life Practice Problems...

Name : ___________________________
CHAPTER 2 – CHEMISTRY OF LIFE PRACTICE PROBLEM SET #2
Use the provided information to determine the following ( please include units when
determining atomic mass ):
1. Krypton has an atomic mass of 85 AMU and an atomic number of 36.
a. Number of Protons: 36
b. Number of Neutrons: 49
c. Number of Electrons: 36
2. Bromine has 35 electrons and 45 neutrons.
a. Number of Protons: 35
b. Atomic Mass: 80