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What Am I?
Atomic History
All In The Family
Table Pieces
It's Elementary
100
Has a positive charge.
What is a proton?
100

This scientist suggested that atoms are made of tiny particles bouncing around.

Who is John Dalton ( Daltons Atomic Theory) 

100
These royal snobs don't want to react with anybody.
What are the Noble Gases?
100
The number of periods in the Periodic Table.
What is seven?
100
My symbol is O and my atomic mass is 16.
What is oxygen?
200
I tell the number of protons contained inside an atom of an element.
What is the atomic number?
200

Rutherford proved that all of the mass of an atom is concentrated here, thanks to his "gold foil experiment" 

What is the nucleus?

200
Contains the most reactive metals.
What is the Alkali Metals?
200
Rows in the Periodic Table.
What are periods.
200
I have 16 electrons whizzing through my electron cloud.
What is sulfur?
300

Give an element its chemical properties ( reactivity) 

What is an electron?

300

J. J Thompson discovered this subatomic particle, and suggested atoms look like "plum pudding"

What is the electron?

300
Contains two common metals, magnesium and calcium.
What is the Alkaline Earth Metals?
300
There are 18 of these in the Periodic Table.
What are groups or families?
300
With an atomic mass of 39 and 20 neutrons in my nucleus, I am a very reactive metal.
What is potassium?
400
Atoms with the same number of protons, but different number of neutrons.
What are isotopes?
400

The two particles that are always found in the same number of a neutral atom.

What are protons and electrons.

400

Not as reactive as the metals in groups one and two, the transition metals contain the most familiar metals like gold and silver and represents these groups.

What are Groups 3 through 12?

400

These 4 pieces of information are contained within a square on most Periodic Tables.

What are atomic number, element symbol, element name, and atomic mass?

400
I am the head of my family in the Halogens, and an important element in helping fight tooth decay.
What is flourine?
500

An ion with a positive charge.

Cation

500

This gentleman suggested that atoms followed a planetary model in which electrons orbit the nucleus.

Who is Neils Bohr?

500
Elements of this family can gain or lose 4 electrons when reacting with other elements. The head of this family is very important in the chemistry of life.
What is the Carbon Family?
500
Credited with developing the first Periodic Table of the Elements, he arranged the elements in order of increasing atomic mass.
Who is Dmitri Mendeleev?
500
My properties are so unique I have my own separate space on the Periodic Table. I was also the end of the Hindenburg.
What is hydrogen?