Subatomic Particles
Symbols
Atomic Number, Mass, Neutrons
Groups & Periods
States of Matter
100
The atomic number is also the number of this subatomic particle
What is a proton?
100
He
What is Helium?
100
Atomic number 1 on periodic table, which also happens to be the most abundant element
What is hydrogen?
100
This scientist made the first periodic table
Who is Mendeleev?
100
The three most common states of matter
What is solid, liquid, gas?
200
These have no charge at all!
What is a neutron?
200
Sodium
What is Na?
200
This element, with an atomic mass of 26.982
What is Aluminum?
200
This special group has full valence electrons
What is group 18?
200
In this low density state of matter, molecules spread way out
What is a gas?
300
JJ Thomson discovered these tiny negatively charged particles in 1906
What is an electron?
300
Co
What is Cobalt?
300
The number of neutrons in an ordinary Potassium atom
What is 20?
300
Group 13 is named after this element at the top of the group
What is Boron?
300
If you were a molecule in this state of matter you would only be able to vibrate
What is solid?
400
This ancient greek philosopher came up with the idea of the atom, calling it Atomos
Who is Democritus?
400
Silver
What is Ag?
400
Don't confuse this with the underground rodent! Avogadro calculated that 602 sextillion atoms are in one of these.
What is a mole?
400
Each new period adds one of these around the atom
What is an electron shell? (orbital, ring)
400
On a hot day, you might see this phase change collecting on the outside of a cold drink 
What is condensation?
500
While shooting particles at gold foil, Ernest Rutherford found this densely packed ball of protons and neutrons at the center of the atom
What is the nucleus?
500
This element isn't named G like you'd expect. Instead the symbol comes from the latin word Aurum
What is Gold?
500
This name for atoms with an unusual number of neutrons is also the name of the baseball team in the Simpsons
What is an isotope?
500
Many elements in this period were named after the labs that first made them, like Californium, Livermorium, and Tennessine.
What is 7?
500
This rare fourth state of matter can be briefly made during lightning strikes
What is Plasma?