elements, compounds and mixtures

Question 1

define element

Answer 1

it is a pure substance that cannot be broken down into 2 or more simpler subs by chemical methods

Question 2

define compounds

Answer 2

is a pure subs containing 2 or more elements that are chemically combined in a fixed ratio

Question 3

define mixtures

Answer 3

made up of 2 or more subs that are not chemically combined

Question 4

compound is separated by… what…method

Answer 4

chemical method

Question 5

mixture is separated by… what…method

Answer 5

physical method