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Atom
Groups
Periodic Trends
Models
Potpourri
100
This number is the total number of protons and neutrons
Mass Number
100
Argon is in this group
Noble Gases
100
This element has the largest atomic radii
Francium
100
This type of model explains how things work in a system
Conceptual Model
100
This characteristic of metals means it can be made into wire
Ductility
200
This number is the total number of electrons and works as an identifier for elements
Atomic Number
200
Fluorine is in this group
Halogens
200
Name two diatomic molecules
Br, I, N, Cl, H, O, F
200
This type of model creates an object that can be studied
Physical Model
200
When atoms move energy levels, they absorb or release this particle of light
Photon
300
The atomic number tells how many protons and what else is in an atom
Electrons
300
Lithium is in this group
Alkali Metals
300
Oxygen has this many valence electrons
6
300
This model states that electrons move in quantized energy levels around the nucleus
Planetary Model
300
The colored pattern that is unique to each atom is called
Atomic Spectra
400
To calculate the neutrons, you take the weigh minus the what
Atomic number (or number of protons)
400
Nickel is in this group
Transition Metals
400
Carbon has this many valence electrons
4
400
This type of microscope creates a model by moving a needle over the surface of atoms
Scanning Tunneling Microscopes
400
The “steps” or levels that electrons move up and down on in whole numbers is called this
Quanta