Chapter 1: Build blocks of matter

Question 1

element

Answer 1

one of more than 100 basic kinds of matter that cannot be broken into smaller pieces through physical or chemical processes

Question 2

chemical property

Answer 2

any property of a material that describes how it changes into other materials

Question 3

atomic number

Answer 3

the number of protons in the nucleus of an atom; the single most important property of an element

Question 4

compound

Answer 4

a kind of matter made of a chemical combination of two or more elements

Question 5

physical property

Answer 5

any property of a material that can be seen or measured without changing the material

Question 6

atom

Answer 6

the smallest particle of an element with the same properties of the element

Question 7

molecule

Answer 7

the smallest part of a substance made from more than one atom that still has the properties of that substance

Question 8

solution

Answer 8

a mixture in which substances are spread out evenly and will not settle