Atoms
Elements
Groups and Periods
Periodic Table
Find an Element
100
What is this atomic model? 
What is Bohr Model
100
These make up the periodic table
What is an element
100
The number of periods on the periodic table
What is seven
100
The periodic table was created by...
Who is Mendeleev
100
This element is found in Period 3, Group 18
What is Argon
200
This is an uncharged (neutral) particle in the nucleus of the atom.
What is a neutron
200
These types of elements are shiny, good conductors of heat, and malleable
What are metals
200
The number of groups on the periodic table
What is 18
200
The atomic number tells you the number of ____ and ___ for the element
What is the protons and electrons
200
This element is found in Period 3, Group 2
What is Magnesium
300
This is a negatively charged particle orbiting the nucleus
What is a electron
300
These types of elements are poor conductors of heat and electricity, and are dull in appearance.
What are non metals
300
Elements in the same group have the same number of these
What are valence electrons (electrons in outer orbital)
300
The atomic mass number subtract the protons gives us the number of _______.
What are neutrons
300
This element has 10 protons and 10 electrons
What is Neon
400
This is a positively charged particle in the nucleus of the atom
What is a proton
400
What two elements are in the first period?
What are Hydrogen (H) and Helium (He)
400
Elements in the same period have the same number of these
What are electron shells
400
What is an example of a halogen element?
what is Br, Cl, F, I, At, Ts
400
This element is found in Group 15 and has 2 orbitals
What is Nitrogen
500
This person discovered the electron by making a sample of an element produce streams of negative particles when he shot through a glass cathode ray tube.
Who is Thomson?
500
Which group is highlighted here?
What is metalloids
500
Elements that are found in the same family/group share similar _____ and _____ properties.
What is physical and chemical
500
What family is highlighted here?
What are alkali earth metals
500
This element has 4 orbitals and 1 electron in its outer orbital
What is Potassium (K)