Name that Number
Fission or Fusion?
Who's Who?
Name that Element 1!
Name that Element 2!
100
The identity of an element.
What is the atomic number?
100
When 2 smaller atoms combine together
What is fusion?
100
Used a gold foil experiment to determine his findings.
Who is Ernest Rutherford?
100
I am an alkaline earth metal with 4 energy levels in my electron cloud.
What is calcium?
100
I am a halogen with 2 energy levels in my electron cloud.
What is fluorine?
200
The number of protons in an element.
What is the atomic number?
200
When 1 larger atom splits into smaller ones
What is fission
200
Predicted that electrons traveled in fixed orbits around the nucleus.
Who is Niels Bohr?
200
I have 6 valence electrons and 2 energy levels in my electron cloud.
What is oxygen?
200
I have 1 valence electron but I am NOT a metal.
What is hydrogen?
300
The number of protons plus neutrons in an element.
What is the mass number?
300
This occurs naturally in stars.
What is fusion?
300
Predicted that the mass of the atom is concentrated in the nucleus.
Who is Ernest Rutherford?
300
I am the only noble gas that doesn't have 8 valence electrons.
What is helium?
300
I am a metalloid with 3 valence electrons.
What is boron?
400
The number of protons minus the number of electrons?
What is the charge?
400
What is fission?
400
Found that electrons do NOT travel in fixed orbits.
Who is Erwin Schrödinger and Werner Heisenberg?
400
I am the only metal that is a liquid at room temperature.
What is mercury?
400
I am one of the most reactive metals and have 20 neutrons in my most common isotope.
What is a potassium?
500
The same as the number of valence electrons (when using the Roman numerals).
What is the group number?
500
What is fusion?
500
Thought that the atom was a positively charged sphere with negative particles embedded throughout.
Who is J.J. Thomson?
500
I am a nonreactive element with less protons than K, but more protons than Mg.
What is argon?
500
I am one of the most reactive nonmetals and have 5 energy levels in my electron cloud.
What is iodine?