1. Video Watching on Element & Compound
Paired WorK
Video Questions:
What is an atom?
How many atoms make up an element?
What is a molecule?
What’s the chemical formula of water?
How are compounds formed?
Complete the table by using the following words below:
-water, salt
-consists of same type of atoms
-hydrogen,oxygen
-symbol is used to represent it
-can be simplified using chemical reactions
-2 or more types of atoms chemically combined
-can’t be broken down into simpler substances
-uses chemical formula
Elements
Compounds

2. Independent Work:
Name all the elements that make up the compound.
Example: Copper sulfate
Elements: Cu-copper
S-sulfur
O-oxygen

4. Independent Work: Cloze test: Compounds:
Choices: chemical formula atoms chemical reaction
can physically can not molecules chemically
A compound is a pure substance containing two or more kinds of 1.______.
· The atoms are 2._____combined in some way. Often times (but not always) they come together to form groups of atoms called 3._____.
· · Compounds 4.______ be separated by physical means. Separating a compound requires a 5.________
· The properties of a compound are usually different than the properties of the elements it contains. 6.______ is used to write a compound.