Gold has this amount of protons.
What is 79?
This philosopher theorized that atoms are small spheres, and connect similar to Lego pieces.
Who is Democritus?
This element's atomic number is 1.
What is Hydrogen?
Protons are located in this part of the Atom.
What is the nucleus?
All matter is made up of these.
What are atoms?
Gold has this amount of electrons
What is 79? (For the purpose of this class)
This Greek philosopher theorized that atoms are made up of 4 elements, earth, fire, water, and air.
Who is Aristotle?
This atom has 7 protons in it's nucleus.
What is Nitrogen?
Helium has an atomic number of 2, and has this number of protons and neutrons.
Electrons have this charge.
What is negative?
The AU in gold is known as it's...
What is atomic symbol?
This chemist made an billiard ball analogy to explain atoms.
Who is John Dalton?
This atom's atomic symbol is Si.
What is Silicon?
Sodium has an atomic number of 11, 12 neutrons, and an atomic mass of this.
What is 23?
When an object is rubbed against another object, the electrons pass. The object giving the electrons becomes positively charged, while the object receiving them becomes this.
What is negatively charged?
The atomic mass of gold is this number.
What is 196.97?
This English scientist made the chocolate chip cookie theory, suggesting that electrons were scattered through the atom.
Who is J.J. Thomson?
This element has 4 neutrons and an atomic mass of 7.
What is Lithium?
This model represents this element.
What is Lithium?
A molecule is made up of these.
What is two or more atoms?
The amount of neutrons in gold's nucleus is this number.
What is 118?
This physicist shot positively charged molecules at gold foil, disproving the theory the cookie theory.
Who is Ernest Rutherford?
This atom has an atomic mass of 138 and has 82 neutrons in it's nucleus.
What is Barium?
Vanadium has an atomic number of 23 and an atomic mass of 51. It has this many neutrons in its nucleus.
What is 28?
Protons and neutrons are roughly this amount larger than electrons.