Common Substances.pptx

Common substances

1. CHEMICAL FORMULA a symbolic representation of its chemical composition.

2. CHEMICAL FORMULA Chemical formulas provide understanding into the elements that constitute the molecules of a compound and also the ratio in which the atoms of these elements combine to form such molecules.

3. EXAMPLE   There is 2 atoms of Hyrogen and 1 atom of xygen

4. WAYS OF NAMING CHEMICALS   preferred way to name a chemical because each systematic name identifies exactly one chemical

5. WAYS OF NAMING CHEMICALS   The systematic name is determined by guidelines set forth by the International Union of Pure and Applied Chemistry (IUPAC).

6. WAYS OF NAMING CHEMICALS   defined by the IUPAC as a name that unambiguously defines a chemical, yet does not follow the current systematic naming convention.

7. LIST OF COMMON CHEMICAL FORMULAS

8. SEATWORK

9. Boric Acid –eyewash solution Calcium oxide -quicklime Carbonic acid -sour salt Ethanol -Ethyl alcohol Hydrochloric acid -Muriatic acid Silicon dioxide -Sand Sodium bicarbonate –Baking soda Sodium carbonate -Washing soda Sulfuric acid -Batter solution Calcium carbonate -Chalk