Matter Notes Flashcards
Chemistry
The study of matter, its composition, and its interactions.
Matter
Everything, anything with mass (amount of matter) and volume (space it takes up).
Atom
Smallest unit of matter, cannot be broken down.
Element
A type of atom, a pure substance that cannot be broken down.
Symbols are either 1 capital letter or 1 capital and a lowercase letter
Chemical Bond
The link between tow atoms, holding them together.
Substance
Something you cannot break into simpler parts using physical changes.
Molecules and compounds.
Molecule
A combination or two or more.
Compound
Two or more elements chemically combined.
Elements are in specific amounts as seen in their chemical formula (ex. H₂O)
Can only be broken down with chemical reactions
Mixture
Two or more substance physically combined in any amounts.
They do not change chemically.
Heterogeneous and homogeneous mixtures.
Heterogeneous Mixture
Two or more substance that aren’t evenly mixed, you can see different parts.
Homogeneous Mixture
Two or more substance that are evenly mixed,you cannot see different parts, a solution.
Solution
A homogeneous mixture
Solute
Substance that gets dissolved
Solvent
Substance that does the dissolving
*universal solvent is water