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Review for Unit 3

Terms in this set (20)

Atomic Radius
Radius of an atom
Electronegativity
Measurement of the atom to other atoms
Ionization Energy
Amount of energy
Ion
An atom or molecule that isn't equal with the same amount as proton
Isotope
The same element with different masses
Atomic Mass
Mass of an atomic particle
Charge
subatomic particles that determine their electromagnetic interaction
How to calculate atomic mass...
Multiply the fraction by the mass number for each isotope, then add them together
How to calculate charge...
Take the valence number of the atom and subtract the number of bonds and the number of non-bonding electrons
Proton
Positive subatomic particle
Neutron
A subatomic particle that has no charge and that is found in the nucleus of an atom
Electron
A subatomic particle that has a negative charge
Changing a proton changes the...
Changes the mass of the nucleus
Changing a neutron changes the...
Atomic number would not change, but it would change the weight of the nucleus
Changing an electron changes the...
More electrons means a negative charge and fewer means a positive charge
Symbol for atom with 26 protons, 30 neutrons, and 26 electrons.
Symbol for atom with 92 protons, 143 neutrons, and 92 electrons.
What are the mass, charge, and element of an atom with 16 protons, 16 neutrons, and 18 electrons?
Mass=32
Charge=-2
Sulfur
What are the mass, charge, and element of an atom with 8 protons, 8 neutrons, and 10 electrons?
Mass=16
Charge=-2
Oxygen
What are the mass, charge, and element of an atom with 3 protons, 4 neutrons, and 2 electrons?
Mass=7
Charge=+1
Lithium
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