1. Voice over script
over the time I’ve doing

2. Molecular naming coventions

3. Concept map
A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions. In a synthesis reaction two or more chemical species combine to form a more complex product. Atoms have neutron and
Valency
Electron
Proton
Atoms

5. H
Hydrogen

6. 2. C carbon

7. 3. Li Lithium

8. 4. Ti Titanium

9. 5. Au Gold

10. 6. Ag Silver

11. Molecular naming conventions
Atoms are the building blocks of matter.
A molecule is a group of atoms.
Atoms are sometimes named after the first letter.
H for Hydrogen
C for carbon
They are sometimes based on the first two letters
Li for Lithium
Ti for Titanium
Sometimes the letters have nothing to do with the element.
Au for Gold, Ag for silver
A number following the element refers to the quantity of those atoms.
The number comes after the element.
For example, H2O means two hydrogens and one Oxygen, H2O4S means two hydrogens, four oxygens and one sulphur
The order in which the elements are written usually follows the rule developed by Edwin Hill in According to this rule, when you have Carbon it goes first, Hydrogen is second and the rest are in alphabetical order.

12. H C Li Ti Au Ag