Task 1: Sense-Making Compounds:
Using your Periodic Table as a reference read, discuss, and record responses for the following questions:
- You will notice that compounds like H2O and CO2 are not on the Periodic Table. Why not?
Compounds like H2O and CO2 are not on the periodic table because …
- Why is there a “2” in H2O and CO2? What do you think this “2” means?
There is a “2” in H2O and CO2 because…
We think the “2” means …
- What is the difference between an element and a compound?
An element is ….; whereas, a compound is …
- What is the difference between the chemical symbols CO and Co?
The difference between the chemical symbols CO and Co is…
- What is the difference between the chemical symbols CI and Cl2?
The difference between the chemical symbols Cl and CI2 is…
- What three things are important to remember when writing chemical symbols?
- When writing chemical symbols, it is important to remember……… because…