Protons, Neutrons and Electrons
Atomic Theory
Electron Configuration
Trends across the Period
Trends down a group
100
10,10
How many protons and electrons are in neon?
100
All matter is made of tine particles called atoms.
What is Dalton's atomic Theory?
100
box and arrow, spectroscopic and noble gas
What are three ways to show electron configuration?
100
The order from smallest to largest atomic radii in the second row of the periodic table.
What is F, O, N, C, B, Be, Li
100
The change in electron affinity or electro-negativity down a group?
What is decrease?
200
They are equal
How does the quantity of protons and electrons compare to each other in a neutral atom?
200
The experiment that led to the discovery of the nucleus.
What is the gold foil experiment?
200
[Xe]6s2 4f4
What is Neodymium?
200
change in atomic number across a period
What is increased by 1?
200
The change in electron affinity or electro-negativity across a group?
What is increase?
300
0
How many neutrons are in Hydrogen?
300
J.J Thomson's model that describes a uniform mixture of positive and negative charges.
What is the plum pudding model?
300
The orbital type that can hold up to 10 electrons
What is the d orbital?
300
Change in Ionization energy across a period
What is increase?
300
The order from lowest to highest of ionization energy in alkali metals?
What is Fr, Cs, Rb, K, Na, Li?
400
The atom with 20 neutrons
What is Calcium?
400
A device used to describe the particle named an electron.
What is a ray of electrons traveling in a vacuum tube called a Cathode Ray.
400
6 electrons
What is the number of electrons the p orbital can hold?
400
Increase in number of energy levels of electrons?
What is the trend of energy levels as you move down the periodic table?
400
The group which becomes +2 ions.
What are the alkaline earth metals?
500
average atomic mass
What is the sum of the mass of each isotope X the relative abundance of each isotope?
500
The Understanding from the gold foil experiment.
What is a positively charged nucleus, surrounding by empty space?
500
[Ar]4s 1
What is the noble gas notation of K?
500
The origin of the description Noble Gases
What is snooty, don't want to bond with others, full octet in outer level?
500
The group in the periodic table that becomes -1 ions
What are the halogens?