Reading...
Play button
Play button
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;
14 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
smallest unit of matter
|
atom
|
|
|
|
a substance that can't be broken down into simpler substances;
|
element
|
made of only one type of atom
|
|
|
possibly charged particles in an atoms nucleus
|
proton
|
|
|
|
negatively charged particles that travel around an atoms nucleus
|
election
|
|
|
|
substance that is composed of two or more different elements that are chemically combined
|
compound
|
|
|
|
force of attraction between two or more atoms formed as a result of shared electrons
|
covalent bond
|
|
|
|
an add-on with an excess charge ( either + or -)
|
ion
|
|
|
|
force of attraction between two ions of opposite charge
|
ionic bond
|
|
|
|
bonds between atoms are formed or broken causing new compounds or molecules to be formed
|
chemical reaction
|
|
|
|
a shortened way of writing what happens during a chemical reaction
|
chemical equation
|
uses chemical formulas to express reactant and products
|
|
|
combination of substances in which the individual components retain their own properties
|
mixture
|
|
|
|
mixture in which one or more substances (solutions) are distributed evenly in other substances (solvent)
|
solution
|
|
|
|
any substance that forms hydrogen ions (H+) in water
|
acid
|
has a ph below 7
|
|
|
any substance that forms hydroxide ions (OH-) in water
|
base
|
has a pH above 7
|
