CP21 -Orbitals

Date

• Thursday, October 20th

Recap

• what model did Bohr advance?
• what do we know about electrons?
• how do we know this? (evidence)
• draw picture of his atom?
• what is correct?
• what needs to be amended?

New Idea: Orbitals

• campus map activity
• where are you?
• what does this show?
• meaning –> translated

Orbital Defined

• 3 parts to describe
• 2 electrons per orbital
• increasing numbers as energy gets higher
• The Orbitron [LINK] examples

Homework

• read section 10.3
• take notes on the section (key terms and ideas)