Atoms, Compounds, Mixtures

Question 1

atom

Answer 1

smallest part of an element

Question 2

element

Answer 2

substance of only one type of atom

Question 3

groups

Answer 3

elements with similar chemical properties

Question 4

compounds

Answer 4

different chemically bonded atoms

Question 5

law of conservation of mass

Answer 5

mass of reactants = mass of products

Question 6

filtration

Answer 6

separation of an insoluble substance from other soluble substances in a solvent

Question 6

mixture

Answer 6

2 or more substances

Question 7

crystallisation

Answer 7

evaporation water from a NaCl solution

Question 8

chromatography

Answer 8

distance travelled up paper determined by relative solubility of mixture in solvent

Question 9

distillation

Answer 9

collection of a solvent via evaporation and condensing

Question 10

fractional distillation

Answer 10

separation of miscible liquids with similar boiling points via temperature gradient