Show:
Organizing Elements
Modern Periodic Table
Classes of Elements
Representative Groups
Random Periodic Table Facts
100
An arrangement of elements in columns, based on repeating properties row after row.
What is the periodic table?
100
Each row
What is a period?
100
The 3 element classes
What are metals, nonmetals, & metalloids?
100
In the highest occupied energy level of an atom
What is valence electron?
100
From left to right, elements become......
What is less metallic/more nonmetallic?
200
First scientist to group known elements into categories.
Who is Antoine Lavoisier?
200
Each column
What is a group?
200
Poor conductors.
What are metals?
200
Elements in a group have similar properties because.....
What is they have the same number of valence electrons?
200
Found in most compounds in the human body.
What is carbon?
300
Game that gave Mendeleev the idea for grouping the elements.
What is solitaire?
300
Depends on distribution of element's isotopes and masses.
What is Atomic Mass?
300
Good conductors of heat & electricity.
What are metals?
300
Colorless, odorless, & extremely unreactive.
What are noble gases?
300
Highly reactive nonmetals that react easily with most metals.
What are halogens?
400
How Mendeleev first lined up the elements.
What is by increasing mass?
400
Atomic mass unit
What is 1/12 the mass of a carbon-12 atom?
400
Conductivity varies by temp.
What are metalloids?
400
Most abundant element in earth's crust.
What is Oxygen?
400
How neon lights work - IN DETAIL.
What is electric current passes through noble gases which emit different colors?
500
When making his "deck of cards" of elements, Mendeleev paid close attention to this.
What is reactivity with oxygen & hydrogen?
500
The 2 natural isotopes of chlorine.
What are chlorine-35 and chlorine-37?
500
Form a bridge between elements on left & right of periodic table.
What transition metals?
500
Most abundant METAL in earth's crust.
What is Aluminum?
500
Why light bulbs are filled with Argon.
What Because the glowinbg filament won't react with Ar like it does with oxygen?