We're the Grade 11s in Mr. Doktor's chemistry 11 class.
We're in Block A, Day 1.
We are Theresa Nguyen Dominika Skibicki Charles Perea Tim Pang
This is our blog.
Friday, September 11, 2009 4:33 PM
DAY 1B - 09/11/09
Measurement + Chemistry
In the scientific method accurate measurements are essential
The most common system in use today is the SI system
The METRIC SYSTEM started about 300 years ago in France
7 Fundamental Units
Mass (kg)
Distance (m)
Time (s)
Temperature (K)
Amount (mol) > 6.02 * 10^23
Current (A)
Luminosity (cd)
Significant Digits
Digits 1 - 9 are always significant
Zeros are significant if they are right of a decimal