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Atoms
Isotopes
Valence Electrons
Ions and Oxidation Numbers
Bohr and Lewis
100
The name of an atom with 20 protons
What is calcium
100
Carbon-12 and carbon-13 are examples of
What is isotopes
100
The _____ number indicates the number of valence electrons an atom has.
What is group
100
If an atom has more protons than electrons it is called a
What is cation
100
This illustrations shows all electrons in an atom.
What is the Bohr model
200
A neutral atom has the same number of these two subatomic particles
What is protons and electrons
200
When considering copper-65 and copper-65, the more common isotope of copper is
What is 65
200
Oxygen is in group 16, so it has _____ valence electrons.
What is 6
200
If an atom has more electrons than protons it is called an
What is anion
200
This illustration shows only the valence electrons in an atom
What is Lewis dot diagram
300
A _____ is the result of an atom that has lost electrons
What is cation
300
Isotopes have the same number of _____ in their nuclei.
What is protons
300
Sodium is in period three, so the valence electrons of a sodium atom will be found on the _____ energy level of the Bohr model.
What is third
300
Beryllium will likely _____ 2 electrons resulting in a +2 charge.
What is lose
300
The Bohr model of nitrogen will include _____ energy levels.
What is 2
400
A _____ is the result of an atom that has gained electrons
What is an anion
400
Isotopes have different _____ and different numbers of _____ in their nuclei.
What are masses and neutrons
400
The electrons that participate in chemical bonding are called _____ _____.
What are valence electrons
400
Phsophorus will likely _____ three electrons resulting in a -3 charge.
What is gain
400
The Lewis dot diagram of bromine will have show _____ valence electrons
What is 7
500
The mass of an atom with 13 protons, 13 electrons, and 15 neutrons is
What is 28
500
The number of neutrons in aluminum-29 is
What is 16
500
Phosphorus has _____ valence electrons.
What is 5
500
Calcium will lose three electrons forming a cation with a charge of
What is +2
500
The Bohr model of magnesium will have _____ energy levels
What is 3