Warm Up9-4-15 1.Silicon (Si) has 14 protons how many electrons are in Si? 2.What was the outcome of the gold foil experiment? 3.Which subatomic particles.
Warm Up9-21-15 1. Convert 25 mg to g 2. How many neutrons are in 85 Kr? 3. Write the short hand electron configuration for Indium and Bromine Homework.
Section 2 The Structure of an Atom. Key Concepts What are three subatomic particles? What properties can be used to compare protons, electrons, and neutrons?
Subatomic Heavyweights
