A chemical structure that can’t be broken down any further
What is an element?
100
Scientist that conducted the gold foil experiment which proved the existence of a positively charged nucleus surrounded by electrons and empty space within an atom.
Who is Ernest Rutherford?
100
They are held in the nucleus of an atom
Where are protons and neutrons held in an atom?
100
S, P, D and F
What are the names of the 4 sublevels?
100
Atomic number is 25
What is Mg atomic number?
200
Equipment known as an electron gun
What is a cathode ray tube
200
Created the “electron gun” that shot a ray of electrons to determine the charge of the particle.
Who is JJ Thompson
200
It represents the amount of protons in a given element.
What does the atomic number represent?
200
_______’s atomic number is 10
What is Oxygen's atomic number
200
Group where noble gases are located
What is group 18
300
When one energy level isn't full and there's a higher one with the missing electron.
How do you know when an element is in its excited state?
300
Conducted the oil-drop experiment that determined the charge and mass of a particle.
Who is Millikan?
300
The force holding together the protons and neutrons in the nucleus.
What is nuclear force?
300
This element has 54 neutrons, since its mass is 96
How many neutrons does Mo have?
300
It's in group 5, period 4
Where is V?
400
Worked with Heisenberg
Who is Schrodinger?
400
A Danish Physicist that proposed that electrons travel in orbits, and proposed the idea of “quantum jumps
Who is Neils Bohr?
400
Where the outermost electrons are held within an atom.
What is the valence shell
400
2.8.4
What is the energy level configuration of Silicon?
400
B, Si, Ge, As, Sb, Te, Po
What are all the metalloids?
500
How many known elements are there, closest number wins
What is 118
500
Stated the Uncertainty Principle regarding knowing the exact speed and location of an atom.
Who is Hardy Weinberg?
500
The sub-level configuration is [Ne] 3S2 3P4
What is Sulfur's sub-level configuration?
500
It is [Xe] 6s2 4f14 5d10 6p2
What is the abbreviated sub-level configuration of lead?
500
It is the location of average atomic mass on the Periodic Table
What does the number on the top left corner of the element block mean?