Anything that has mass and takes up space
Matter
The shortest distance between equivalent points on a continuous wave; is usually expressed in meters, centimeters, or nanometers.
Wavelength
1s2 2s2 2p4
Oxygen
Represents the number of protons in an atom
Atomic number
The size of an atom measuring the distance from the nucleus to the outermost energy level
Atomic radius
Are made of only one type of atom
Element
The number of waves that pass a given point per second.
Frequency
[Ne] 3s2 3p2
Silicon
The columns on the periodic table
Group or Family
Atomic radius moving down the periodic table
Increases
The state of matter with the least energy
Solid
A particle of electromagnetic radiation with no mass that carries a quantum of energy.
Photon
[Ar] 3d3 4s2
Vanadium
This signifies the highest energy level an electron in that element occupies.
Period number
Atomic radius moving left to right across the periodic table
Decreases
Two or more substances are combined physically
Mixture
A form of energy exhibiting wavelike behavior as it travels through space; can be described by wavelength, frequency, amplitude, and speed.
Electromagnetic Radiation
Fluorine
1s2 2s2 2p5
[He] 2s2 2p5
This block contains alkali metals and alkali earth metals.
s - block
The most electronegative element
Fluorine
Can be separated by chemical means but not physical means
Compound
This color of the visible light spectrum has the highest energy
Violet
Arsenic
[Ar] 3d¹⁰ 4s² 4p³
The name of the element found in period 6 and group 11
Gold
The element with the highest ionization energy
Helium