Science Test Flash Cards

Question 1

Element

Answer 1

A pure substance that cannot be broken down into other substances by chemical or physical means

Question 2

Group

Answer 2

Column on a Periodic table

Question 3

Family

Answer 3

Made of elements with similar characteristics

Question 4

Period

Answer 4

Row on the Periodic table

Question 5

Compound

Answer 5

A substance made of two or more elements combined in a specific ratio

Question 6

Mixture

Answer 6

Two or more substances that are together in the same space but their atoms are not chemically bonded

Question 7

Atom

Answer 7

The smallest particle of an element that has the elements characteristics

Question 8

Proton

Answer 8

Subatomic particle with a positive charge

Question 9

Neutron

Answer 9

Subatomic particle that is neutral

Question 10

Electron

Answer 10

Subatomic particle that has negative charge

Question 11

Atomic number

Answer 11

The elements are placed in this order on the periodic table

Question 12

Mass number

Answer 12

The average mass of the element

Question 13

Element symbol

Answer 13

Shortened name for an element with one or two letters

Question 14

Element name

Answer 14

Lithium the full name of and element

Question 15

Chemical formula

Answer 15

Symbols that show the elements in a compound and the ratio of atoms

Question 16

Homogeneous mixture

Answer 16

Mixture that looks the same throughout

Question 17

Heterogeneous mixture

Answer 17

Mixture that looks different throughout