The Emission Spectrum of Elements
The Bohr Model: Bohr proposed the Quantum Model of Hydrogen. The
model says that the electron in hydrogen revolves around the nucleus only in
certain allowed orbits. The electron has a defined energy. The electron can
Chemical Reactivity of Seven Metals
You are working with highly reactive metals, strong acids, and strong bases in addition to fire.
Wear your safety glasses, read labels, and be careful with all reagents. Do not touch Li, Na, or K
with your finger
Advanced Placement Chemistry
1989 Multiple Choice Questions
Use these answers for questions 1 - 3.
1. What is the most electronegative element of the above?
2. Which element exhibits the greatest number of different oxidat