Science Math

Unit 5 Reactions

Topic 7.0 Synthesis Reactions

Naming

Chlorate (CLO₄¹⁻), Ammonium (NH+4), Hydroxide (OH-1), Carbonate has -2 charge (CO3), Nitrate (N2), Carbinate (C2), Phosphate(PO4) (-e charge),

Balancing

How many grams of CO₂ are in 3.01 x10¹⁴mole?

4.21 x10¹⁵ g
3 sig. figs.

Diatomic Molecules

A molecule that consists of two atoms of the same element.

H₂, N₂, O₂, Cl₂, Br₂, F₂, I₂

Redox Reaction

Reduced- Gains Electrons

Oxidized- Loses Electrons

Rules for balancing equations

Assign oxidation #'s to determine what is oxidized/reduce

Polyatomic Ions

Ammonium (NH₃¹⁺), Carbonate (CO₃²⁻), Chlorate (CLO₄¹⁻), Hydroxide (OH¹⁻), Nitrate(NO₃¹⁻), Phosphate (PO₄³⁻), , Sulfate (SO₄²⁻),

Binary Compounds

Compounds consisting of two elements; Cation + Anion ending with -ide; NaCl ---> Sodium Chloride