Counting Total Atoms in Compounds

You Will Need:

• Pencil, Colored Pencils, Periodic Table (textbook)

• Log #5 – Bookshelf

• Counting Total Atoms in Compounds – Bookshelf – 2 pages 4 sides

• Cover and Table of Contents MUST be done on the Computer (Computer Cart here tomorrow)

• Test #4 – ½ page of notes, front side only, done by hand

• Some groups still need to present

• Audience- Please give them your attention.

• COEFFICIENTNumber in front of a formula to

indicate the # of models to build.

• Count the Atoms of one molecule

• and then multiplying that by how many molecules you need to build.

Example:

#2: 4 HNO3

H = N = O =

X 4 =5 atoms 20 atoms

113

• You will need: Yellow, Red, Green and

• Color molecules according to key

Yellow = Hydrogen

Red = Oxygen

Green = Chlorine

Black = Carbon

BLACK

• Build a model of Compound Listed Below

• Managers = CCl4

• Materials Managers= C2H4

• Oral Presenters = CH3OH

• Timer/Designer = HCHO

Get my signature for Points

• Speed and Accuracy will win!

• Use your classroom as a resource.

• First table to hold up correct required molecules wins.

• Build 4 water molecules

• Build 2 diatomic Oxygen molecules

• Build 2 CO2 molecules

• Build 2 Hydrochloric acid molecules (HCl)

• Build 2 Methane molecules (CH4)

• Materials Managers – Check your box!

• 2 blue• 4 red• 2 orange• 6 black• 4 green• 15 yellow• 2 purple

• Counting Total Atoms in Compounds–pages 1-3 complete

• Binder Check #4• ½ page of notes for Test #4

• Counting Total Atoms in Compounds– Due tomorrow by the end of class – should have pages 1-3 complete

• Computer Cart Will Be Available for Quizzes & Binder Check Components tomorrow