Science Vocab Ch5

Question 1

a chart that arranges elements having similar
properties into the same groups

Answer 1

Periodic Table

Question 2

a property of matter that can be either positive,
negative, or neutral

Answer 2

Electrostatic Charge

Question 3

the attractive force that holds the nucleus of an atom
together

Answer 3

Strong Force

Question 4

the number of protons in one atom of a particular
element

Answer 4

Atomic Number

Question 5

the number of protons plus the number of neutrons in one
atom

Answer 5

Atomic Mass

Question 6

a location of electrons surrounding the nucleus
in the atom

Answer 6

Electron Energy Level

Question 7

a horizontal row on the periodic table

Answer 7

Period

Question 8

a group of elements that have similar properties

Answer 8

Chemical Family

Question 9

an electron in the outermost energy level of an atom

Answer 9

Valence Electron

Question 10

an element that is typically shiny and hard and a good conductor
of heat and electricity

Answer 10

Metal

Question 11

an element that is typically dull and brittle and a poor
conductor of heat and electricity

Answer 11

Nonmetal

Question 12

a figure in which dots around an element’s symbol
represent valence electrons

Answer 12

Electron Dot Diagram