Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
Diatomics |
A molecule consisting of two atoms |
|
|
Examples of Diatomics... |
H2, N2, O2, F2, Cl2, Br2, I2 |
|
|
Evidence a chemical reaction has taken place |
1. Color Change 2. Production of gas (Bubbles) 3. Formation of a precipitate (Solid) 4. Transfer of energy (Temperature) |
|
|
Chemical Equations |
Used to represent a chemical reaction. Reactions are on the left. Connected by an arrow, products on the right. |
|
|
State Symbol for Solid |
(s) |
|
|
State Symbol for Liquid |
(l) |
|
|
State Symbol for Gas |
(g) |
|
|
State Symbol for Aqueous (Solid dissolved in water) |
(Aq) |
|
|
Synthesis Reaction |
Two or more substances to combine a new compound. |
|
|
Metallic oxides and water form acids (Metallic hydroxides
|
MgO + H2O -> Mg (OH)2 |
|
|
Nonmetallic oxides and water form acids |
CO2 + H2O -> H2CO3 |
|
|
Metallic oxide and nonmetallic oxide form salts |
Na20 + C02 -> Na2CO3 |
|
|
Decomposition Reaction |
A single compound breaks down into two or more simpler compounds. |
|
|
Metallic carbonates decompose into metallic oxides and carbon dioxide |
MgCO3 -> MgCl2 + O2 |
|
|
Metallic chlorates decompose into metallic chlorides and oxygen |
Mg(CIO3)2 -> MgCI2 + O2 |
|
|
Metallic hydrogen decompose into metallic oxides and water |
Ca(OH)2 -> CaO + H20 |
|
|
Ammonium carbonate decomposes into ammonia, water, and carbon dioxide |
(NH4)2CO3 -> NH3 +H20 + CO2 |
|
|
Sulfurous acid decomposes into sulfur dioxide and water |
H2SO3 -> SO2 + H20 |
|
|
Carbonic acid decomposes into carbon dioxide and water |
H2CO3 -> O2 + H20 |
|
|
A binary compound may break down to produce two elements |
CaO -> Ca + O2 |
|
|
Hydrogen peroxide decomposes into water and oxygen |
H2O2 -> H20 + O2 |
|
|
Ammonium hydroxide decomposes into ammonia and water |
NH4OH -> NH3 + H20 |
