Shared Flashcard Set

Details

Chemistry Notes
Chapter 1 Notes
23
Chemistry
10th Grade
08/31/2013

Additional Chemistry Flashcards

 


 

Cards

Term
Qualitative
Definition
Observation made by using the senses.
ex) yellow color
Term
Quantitative
Definition
Observation made by measurement.
Term
Two categories of matter by composition
Definition
1. pure - Only one kind of matter
2. Mixture - different kinds of matter
Term
Substance
Definition
Has the same fixed composition and properties. Any pure matter
Term
Examples of a substance
Definition
sugar, salt, sand
Term
Examples of a mixture
Definition
sugar and coffee
sugar and salt
coffee and milk
Term
Mixture
Definition
Each substance is not changed
Term
Catalyst
Definition
substance that makes the chemical reaction go faster
Term
Electrolysis
Definition
Break down by using electric current or through an electroylyte
Term
Combustion
Definition
Chemical process that produces heat; oxidation (O2 > O)
Term
Combustion
Definition
May cause dizziness and loss of oxygen when inhaled.
O (oxygen atom)- Metabolic poison
O2 (oxygen molecule)- Needed for survival
Term
Examples of combustion
Definition
- Burning fossil fuel
- Rusting
- Combination reaction
- Fireworks
- Cooking : baking soda with vinegar
: vinegar with egg shell
Term
Respiration
Definition
Process of breathing and getting energy for animals
Term
Photosynethesis
Definition
Process of breathing and getting energy for plants
Term
Diatomic molecules
Definition
Consist of two atoms in a molecule, occur naturally.
Term
7 diatomic molecules
Definition
- O2 (oxygen)
- H2 (hydrogen)
- N2 (Nitrogen)
- F2 (Fluorine)
- Cl2 (Chlorine)
- Br2 (Bromine)
- I2 (Iodine)
Term
Alloys
Definition
a combination of 2 or more metals
Term
Calcium
Cobalt
Copper
Carbon
Definition
- Ca
- Co
- Cu
- C
Term
Substances
Definition
- Solute: the dissolved substance
- solvent: dissolving substance
Term
Water
Definition
universal solvent
Term
Glucose
Sucrose
Definition
- simplest form of carbohydrates (c6H12O6)
- table sugar (C12H22O11)
Term
Physical Change
Definition
change that rearranges molecules but does not really form new substances.
Term
Chemical Change
Definition
change that results in the formation of new substances
Supporting users have an ad free experience!