In deze les zitten 20 slides, met interactieve quizzen en tekstslides.
Each kind of atoM has its own symbol.
First letter always capital letter.
Second letter always a
lower case letter.
H = hydrogenHe = helium
Atoms shown as spheres with symbol
CO2
Multiple molecules are shown with the coëfficiënt. This number comes before the molecar formula.
The coëfficiënt is 5, so 5CO2