elements and mixtures
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10 Terms
What is an element
A substance made of only one type of atom
What is a compound
A substance made of two or more different elements chemically bonded together
What is a mixture
Two or more elements or compounds not chemically bonded together
give two examples of elements
Anything from the periodic table
Give two examples of compounds
Water, carbon dioxide, sodium chloride, magnesium chloride
give two examples of mixtures
, seawater, brass
how can mixtures be separated?
by physical methods, e.g. filtration evaporation distillation
why can’t elements or compounds be separated by physical methods?
The atoms are chemically bonded, breaking bonds requires a chemical reaction
compare the properties of a compound with the element it is made from
The compound has different properties
what is the difference between a molecule and a compound?
Molecule: two or more atoms Covid Sleep bonded. Compound: two or more different element chemically bonded.
Note 
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