Gr. 8 Atomic Structure & the Periodic Table Vocabulary

Question 1

Another name for a column on the periodic table

Accepted Answer

Group, Family

Question 2

Positively charged particle inside the nucleus of the atom

Accepted Answer

Proton

Question 3

Another name for a row on the periodic table

Accepted Answer

Period

Question 4

Abbreviation for an element

Accepted Answer

Chemical symbol

Question 5

The smallest particle into which an element can be divided and still be the same element

Accepted Answer

Atom

Question 6

Particle in the nucleus with no charge

Accepted Answer

Neutron

Question 7

Number of protons in an atom

Accepted Answer

Atomic number

Question 8

Average mass of an element

Accepted Answer

Average Atomic mass

Question 9

Substance that can't be broken down into any other substances

Accepted Answer

Element

Question 10

Organizes all the known elements according to their properties

Accepted Answer

Periodic table

Question 11

Number of protons and neutrons in an atom

Accepted Answer

Mass number

Question 12

Negatively charged particle outside the nucleus of the atom

Accepted Answer

Electron

Question 13

Core of the atom

Accepted Answer

Nucleus

Question 14

Current atomic model; exact location of electrons is unknown

Accepted Answer

Electron cloud

Questions 14