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Topic 8 (CHEM) - Writing Chemical Equations (Common acids and alkalis…
Topic 8 (CHEM) - Writing Chemical Equations
Step 1: IDENTIFY REACTANTS (LHS) AND PRODUCTS (RHS) IN THE REACTION
Step 2: WRITE THE CHEMICAL FORMULA FOR REACTANTS AND PRODUCTS
Step 3: FORM A CHEMICAL EQUATION WITH THE CHEMICAL FORMULA
Step 4: BALANCE THE CHEMICAL EQUATION
Step 5: WRITE THE STATE SYMBOLS
Metallic elements
All metal are monoatomic
Sodium (Na)
Potassium (K)
Calcium (Ca)
Magnesium (Mg)
Zinc (Zn)
Copper (Cu)
Iron (Fe)
Lead (Pb)
Non-metallic elements
Some are monoatomic
Sulfur (S)
Carbon (C)
Silicon (Si)
Some are diatomic (most gases)
Hydrogen (H2)
Oxygen (O2)
Nitrogen (N2)
Fluorine (F2)
Chlorine (Cl2)
Bromine (Br2)
Iodine (I2)
Common acids and alkalis
Nitric Acid (HN3)
Sulfuric Acid (H2S04)
Hydrochloric Acid (HCl)
Sodium hydroxide (NaOH)
Potassium hydroxide
Calcium hydroxide(Ca(OH)2)
Ammonium hydroxide (NH4OH)