the smallest part of a substance while still maintaining the properties of the substance
1 of 8
what is an element
it is made up of one type of atom; on the periodic table
2 of 8
what is a compound
a compound is made up of 2 or more elements that are chemically bonded together
3 of 8
what is the difference between a mixture and compound
a compound are elements that are chemically bonded but a mixture is not, the quantaties are fixed in a compound but not a mixture and compounds are not easily separated
4 of 8
how would you separate a mixture
chromatography, distillation, evaporation and filtration. one example is the sand and salt experiment
5 of 8
when balancing equations...
never change the little numbers, only big numbers and elements cannot be created or destroyed
6 of 8
what is chromatography
chromatography is separating mixtures of dyes
7 of 8
how do you calculate the Rf values
distance traveled by the dot divided by distance traveled by solvent front. the Rf value will always be lower than 1
8 of 8
Other cards in this set
Card 2
Front
what is an element
Back
it is made up of one type of atom; on the periodic table
Card 3
Front
what is a compound
Back
Card 4
Front
what is the difference between a mixture and compound
Comments
No comments have yet been made