Composition of Matter

Question 1

what is an element

Answer 1

a substance that cannot be broken down to other substances by chemical reactions

Question 2

what is a compound

Answer 2

two or more elements chemically combined that can only be separated chemically

Question 3

what is a mixture

Answer 3

a combination of elements or compounds by physical not chemical means

Question 4

what does homogenous mean

Answer 4

homogenous matter has uniform composition throughout (atoms spread evenly though out and are indistinguishable)

Question 5

what is a solution

Answer 5

solutions are a type of homogenous mixture where a solute (solid or gas) is disolved in water evenly

Question 6

what does hetrogenous mean

Answer 6

heterogenous matter has an uneven composition , different particles are distributed in distinct clumps within substance

Question 7

what is a pure substance

Answer 7

a substance with constant composition (no variation in properties) that cant be separated by physical means only by chemical