Properties of Matter and Period Table Vocab

Question 1

one of the elements in Group 1 of the periodic table

Answer 1

Alkali Metals

Question 2

one of the elements in Group 2 of the periodic table

Answer 2

Alkaline Earth Metals

Question 3

the combining of atoms to form molecules or ionic compounds

Answer 3

Chemical Bonding

Question 4

a change that occurs when one or more substances change into an entirely new substance with different properties

Answer 4

Chemical Change

Question 5

a bond formed to share one or more pairs of electrons

Answer 5

Covalent Bond

Question 6

a vertical column of elements on the periodic table; elements in a group share chemical properties

Answer 6

Group

Question 7

one of the elements of Group 17 on the periodic table;

_______ combine with most metals to form salts

Answer 7

Halogens

Question 8

a bond that forms when electrons are transferred from 1 atom to another, which results in a positive ion and a negative ion

Answer 8

Ionic Bond

Question 9

a property of matter that describes

A substance’s ability to participate in chemical reactions.

Answer 9

Chemical Property

Question 10

a charged particle that forms when an atom or group of atoms gains or loses one or more electrons

Answer 10

lons

Question 11

an element that is shiny and that conducts heat and electricity well.

Answer 11

Metal

Question 12

elements that have properties of both metals and nonmetals.

Answer 12

Metalloid

Question 13

one of the elements of Group 18 of the periodic table; noble gases are unreactive.

Answer 13

Noble gas

Question 14

an element that conducts heat and electricity poorly.

Answer 14

Nonmetal

Question 15

In chemistry, a horizontal row of elements in the periodic table

Answer 15

Period

Question 16

the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.

Answer 16

Periodic law

Question 17

a change of matter from one form to another without a change in chemical properties.

Answer 17

Physical change

Question 18

a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness.

Answer 18

Physical property

Question 19

an electron that is found in the outermost shell of an atom that determines the atom’s chemical property.

Answer 19

Valence electron