Chem Part 2
Terms
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- Is there more than one element?
-
yes - compound
no - element - polyotomic ion
- ion that has more than one type of atom
- colloid
- particles too small to settle out
- anion
- negatively charged ion; more electrons than protons
- Suspension: homo/heterogeneous?
- heterogeneous
- molecule
- smallest unit of a PURE substance that retains the properties of the substance
- chemical reaction
- bonds break and form to result in new materials
- Can be separated by filter: solution, colloid, or suspension?
- colloid, suspension
- Can be separated by membrane: solution, colloid or suspension?
- colloid, suspension
- Colloid: homo/heterogeneous?
- heterogeneous
- ion
- charged atoms
- Settle: solution, colloid or suspension?
- suspension
- solvent
- molecule representing majority of the solution
- cation
- positively charged ion; more protons than electrons
- solute
- molecule representing minority of the solution
- suspension
- particles large enough that they settle out and can be removed (filter)
- chemical bond
- "glue" that holds atoms together
- Solution: homo/heterogeneous?
- homogeneous
- atom
- simplest form of matter
- density
- measure of the "compactness" of a material
- Can different parts be seen?
-
yes - heterogeneous mixture
no - homogeneous - Tyndall effect: solution, colloid or suspension?
- colloid, suspension
- Is it pure?
-
yes - substance
no - mixture (solution)