Matter Matters!

Question 1

negatively-charged particle(s) in the outer portion of an atom

Accepted Answer

electron

Question 2

occurs when 1 or more substances change into entirely new substances with different properties

Accepted Answer

chemical change

Question 3

anything that has mass and takes up space

Accepted Answer

matter

Question 4

the amount of matter in an object

Accepted Answer

mass

Question 5

contains variety of elements & compounds, not chemically combined (can be physically separated)

Accepted Answer

mixture

Question 6

made up of one or more of the same kind of an atom chemically combined (such as oxygen)

Accepted Answer

element

Question 7

the amount of space that an object takes up, or occupies

Accepted Answer

volume

Question 8

states that mass is not created or destroyed but is only transformed into different substances

Accepted Answer

law of conservation of mass

Question 9

made up of at least two different kinds of atoms chemically combined (such as water)

Accepted Answer

compound

Question 10

a mixture in which the substances are evenly spread throughout (such as lemonade)

Accepted Answer

homogeneous

Question 11

a substance that has definite physical and chemical properties such as reactivity, melting pt.

Accepted Answer

pure substance

Question 12

particle(s) with no charge in the nucleus of an atom (relatively equal mass as that of P)

Accepted Answer

neutron

Question 13

a measure of the amount of mass in a given volume

Accepted Answer

density

Question 14

each vertical column of the periodic table, based on shared physical/chemical properties

Accepted Answer

group

Question 15

positively-charged particle(s) within the nucleus of an atom

Accepted Answer

proton

Question 16

occurs when one or more substances change from one form to another w/o changing the identity

Accepted Answer

physical change

Question 17

the total number of protons and neutrons in an atom's nucleus

Accepted Answer

mass number

Question 18

has a definite volume and shape; the particles vibrate but are fixed in place

Accepted Answer

solid

Question 19

the number of protons in the nucleus of an atom

Accepted Answer

atomic number

Question 20

does not have definite volume or shape; these particles have most kinetic energy and fly freely

Accepted Answer

gas

Question 21

a measure of the gravitational force on an object

Accepted Answer

weight

Question 22

each horizontal row of the periodic table- arranged by increasing density

Accepted Answer

period

Question 23

a mixture that does not have a uniform composition (such as oil and water)

Accepted Answer

heterogeneous

Question 24

smallest unit of matter; smallest unit of element that maintains the properties of that element

Accepted Answer

atom

Question 25

has a definite volume, but not a definite shape; the particles slide past each other

Accepted Answer

liquid

Matter Matters!

Questions 25

Matter Matters!

Questions 25