Matter and Change
Atoms
Electrons - Light and Energy
Electron Configurations
Periodic Table Organization
100
A mixture with 2 or more phases / layers
What is a heterogenous mixture?
100
Smallest particle of an element that retains the element's chemical properties
What is an atom?
100
All forms of energy received from the sun
What is electromagnetic radiation?
100
Dumbbell
What is the shape of a p orbital?
100
Horizontal rows on the periodic table
What is a period?
200
Uses boiling point to separate 2 liquids
What is distillation?
200
Negatively charged subatomic particle
What is an electron?
200
The speed all electromagnetic radiation travels
What is the speed of light?
200
Region of high probability of finding an electron
What is an atomic orbital?
200
Vertical column on the periodic table
What is a group?
300
Anything that has mass and takes up space
What is matter?
300
One twelfth the mass of a carbon-12 atom
What is an amu?
300
Formula to calculate the frequency of electromagnetic radiation
What is c = va?
300
Element with an electron configuration of 1s2 2s2 2p6 3s2 3p1
What is aluminum?
300
Each row on the periodic table corresponds to this
What is a principle energy level?
400
A change where the chemical composition of the substance does not change.
What is physical change?
400
Has 37 protons, 48 neutrons, and 37 electrons
What is Rubidium?
400
Formula to calculate the energy of a photon
What is E = hv?
400
Number of valence elctrons in 1s2 2s2 2p6 3s2 3p5
What is seven?
400
O, Cl, Br, and P's description
What are nonmetals?
500
Properties of a substance that depend on the amount of matter present.
What is an extensive property?
500
Atoms that have the same number of protons but a different number of neutrons
What is an isotope?
500
Scientists are unable to tell both the direction and speed of an electron
What is the Heisenberg uncertainty principle?
500
Alkali Earth Metal whose electron configuration end in 2p6
What is magnesium?
500
Created the modern periodic table
Who is Henry Moseley?
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