Chapter 14

Question 0

Atomic nucleus

Answer 0

The dense , positively charged center of every atom

Question 1

Atomic mass

Answer 1

The mass of an element ‘s listed in the periodic table as an average value based on the relative abundance of the elements isotopes

Question 2

Atomic number

Answer 2

A count of the number of protons in the atomic nucleus

Question 3

Atomic symbol

Answer 3

An abbreviation for a element or atom

Question 4

Electron

Answer 4

An extremely small negative charged subatomic particle found outside the atomic nucleus

Question 5

Element

Answer 5

Any material made up of only one type of atom

Question 6

Group

Answer 6

A vertical column in the periodic table , also known as a family of the element

Question 7

Isotope

Answer 7

Any member of a set of atoms of the same element whose nuclei contain the same number of protons but different numbers of neutrons

Question 8

Mass number

Answer 8

The total number of protons and neutrons in an isotope

Question 9

Neutron

Answer 9

An electrically neutral subatomic particle of a atomic nucleus

Question 10

Nucleon

Answer 10

Any subatomic particle found in the atomic nucleus; another name for protons and neutrons

Question 11

Period

Answer 11

A horizontal row in a periodic table

Question 12

Periodic table

Answer 12

A chart in which all elements are listed on order

Question 13

Proton

Answer 13

A positively charged subatomic particle of the atomic nucleus

Question 14

Shell

Answer 14

A region of space around the atomic nucleus in which elements may reside