1. Warm-Up 2/4/14
Finish up the worksheet from yesterday! Glue onto pg. 8. Yesterday’s notes go on pg. 9
Check to see if you are on the right track!

2. Ions and Particles
Tuesday, 2/4/14

3. Learning Objective #2
Determine the number of protons, neutrons, and electrons for an atom or ion provided the number of other subatomic particles.
Add to Unit 8 Intro. Page!

4. Ions—atoms with an overall non-zero charge
Ions—atoms with an overall non-zero charge. Different numbers of protons (+) and electrons (-).
Positive Ion
Negative Ion
More protons than electrons
More electrons than protons

6. Atomic Symbol Notation—a condensed way to show the number of protons, neutrons, and electrons in an atom.

8. Atomic Symbol Notation
Element
Protons
Neutrons
Electrons
Mass
Atomic Symbol Notation
Magnesium 11 24 17
Calcium 20 18

9. Your Job Put today’s notes on pg. 11
On pg. 12, glue in Counting Particles in Ions sheet.
QUIZ tomorrow on Properties of Periodic Table (see yesterday’s notes/homework)