Elements
Chemical Formula
Atoms
Models
Hardcore
100
The two elements that make up water.
What are oxygen and hydrogen.
100
The chemical formula of hydrogen.
What is H.
100
The area of an atom where the nucleus is.
Where is the middle/center of an atom.
100
He created the periodic table.
Who is Dmitri Mendeleev.
100
The number of types of subatomic particles in an atom.
What is three.
200
It is composed of more than one element.
What is a compound.
200
The chemical formula of carbon dioxide.
What is CO2.
200
They have a positive charge.
What are protons.
200
He created the electron cloud model of an atom.
Who is Erwin Schrödinger.
200
The lightest subatomic particle in an atom.
What is an electron.
300
The current number of elements on the periodic table.
What is 118.
300
The chemical formula of silver.
What is Ag.
300
They have a negative electrical charge.
What are electrons.
300
This model's name.
What is the Bohr model.
300
The most common element on earth.
What is oxygen.
400
The first chemical element discovered.
What is phosphorus.
400
The chemical formula of lead.
What is Pb.
400
The maximum number of electrons on the fourth energy level of an atom.
What are 32 electrons.
400
The person who made this model.
Who is Ernest Rutherford.
400
The most common element in the universe.
What is hydrogen.
500
Its currently the last element discovered on the periodic table.
What is Ununoctium
500
The chemical formula of sulfur monochloride.
What is S2Cl2.
500
It is not made of atoms
What is energy.
500
J.J Thomson made this model.
What is the Plum Pudding model.
500
The largest stable synthetic discovered molecule.
What is PG5.