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An ion with a positive charge.
An ion with a negative charge.
Use the atomic number.
It is equal to the number of protons.
Subtract atomic number from atomic mass.
Types and quantities of atoms in a molecule.
Formed from the transfer of electrons between metals and non-metals.
The charge of an ion based on electron loss or gain.
It increases due to added electron shells.
It decreases due to increased nuclear charge.
Energy needed to remove an electron from an atom.
Atomic radius and nuclear charge.
They form positive ions.
Includes metallic, ionic, and covalent bonding.
Atoms share delocalized electrons.
A mixture of two or more elements, at least one being a metal.
An atom that has gained or lost electrons.
Metals that can form ions with different charges.
They move to higher energy levels.
Unique pattern of colors emitted by an element.
Due to unique energy gaps and absorption properties.
They gain energy and move rapidly.
Each element has a unique energy level.
1s² 2s² 2p⁶ 3s² 3p⁵.
An ionic bond.
They have delocalized electrons that move freely.
It becomes harder than pure gold.
17 protons.
35.
They have different numbers of neutrons.
MgCl₂.
1s² 2s² 2p⁶ 3s².
Ionic bonding.
It gains one electron to form Al-.
AlCl₃.
Increases from Si to Na.
They are equal.
It is not a whole number due to isotopes.
The block containing transition metals.
They absorb different wavelengths of energy.
1s² 2s² 2p⁴.