States of Matter
3 states of matter primarily found on Earth?
What are Solids, Liquids and Gases
No charge subatomic particle
What is a neutron
Smallest of two numbers on an element tile
What is the Atomic Number
Direction of Groups
What is Vertical (Up and Down)
1st energy level max
What are 2 electrons
Has definite shape and volume
What is a Solid
Positively charged subatomic particle
What are protons
Displayed as One Capital and/or one lowercase letter
What is the Element Symbol
Direction of Periods
Horizontal (side to side)
2nd and 3rd Energy level max
What is 8 electrons
Has indefinite shape and volume
What is a Gas
Negatively charged subatomic particles
Electrons
Largest of two number on the element tile
What is the Atomic Mass
4th energy level max
What is 18 electrons
Has definite shape and indefinite volume
What is a liquid
Location of protons and neutrons
What is the nucleus
Equation to determine the atomic mass
What is protons plus neutrons
Groups determine the
What are number of valence electrons
Purpose of Model
What is to display the arrangement of electrons around the nucleus
State of matter found in 99% of the universe?
Plasma
Location of Electrons
What is the energy cloud/level/shell
Equation to determine the number of neutrons
What is mass number minus atomic number
Location of Noble Gases
What is column/group 18
Scientist that presented model
Who is Ernest Rutherford and Neil Bohr