You Will Need:1. 2nd page of Counting Atoms +

Density Review - Bookshelf2. STAR CARDS #31-60 – Due at

the beginnig of the period on Friday

3. Log #3 – Update with points

Remember you have new SEATS!!!!!

You Will Need:1. STAR CARDS #31-60 – Due at

the beginnig of the period on Friday

2. Quiz on Cards 31-60 only on Friday – Final Quiz will be cumulative

3. Log #3 – Update with points

As you look over these compounds you may observe that many of them contain similar _________ of elements. Since we are a ______________ based environment, carbon is found in all living organisms. The elements in the Human Body can be broken down to include the main elements of Hydrogen, Oxygen, Nitrogen, Carbon and representatives from about 20 other elements.

atomscarbon

The _________ main elements that make up most living organisms are Carbon, ________________, Sulfur, __________________, Oxygen and _____________.

Phosphorus

SIX

HydrogenNitrogen

Practice and Review

Mass Unit Label = ___________

Volume Unit Label = _______,

________, ________

Density Unit Label = __________,

__________, __________

Gram

cm3

mL cc

g/cm3

g/mL g/cc

Density Formulas

1)There are 3 versions of the Density formula:

D=m/v v= m/D

m= v x D

1. None

2. Enjoy your Spring Break!