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Vocabulary and Definitions
Periodic Trends
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Electron Configurations
Groups on Periodic Table
100
Subatomic particles that are transferred to form positive and negative ions.
What are electrons?
100
Electronegativity ______ across a period? (increases or decreases)
What is increases?
100
The ion of calcium.
What is Ca2+
100
The electron configuration of Mg.
What is 1s2 2s2 2p6 3s2?
100
Chlorine is part of the _______ group.
What is halogen?
200
Type of element that is a good conductor of heat and electric current.
What is a metal?
200
The energy needed to remove an electron with a 1+ charge.
What is second ionization energy?
200
Electrons must fill in all empty orbitals in an energy sublevel before pairing up.
What is Hund's Rule?
200
The energy level for the "f" block elements.
What is (n-1)?
200
Group IA on the Periodic Table.
What are the alkali metals?
300
One-half the distance between nuclei of two atoms when the atoms are joined. Also defined as the radius of an atom.
What is the atomic radius?
300
Ionization _______ down a column. (increases or decreases)
What is decreases?
300
Electrons fill in orbitals starting with the lowest energy.
What is the Aufbau Principle?
300
The number of orbitals in the "d" sublevel.
What is 5?
300
Group with a stable octet.
What are the noble gases?
400
The energy required to remove an electron from an atom.
What is ionization energy?
400
Which of the following is more electronegative? F, Cl, S, or O
What is F?
400
Electrons must have opposite spins when paired in an orbital.
What is Pauli Exclusion Principle?
400
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f2
What is the electron configuration for Ce?
400
The Boron Family is found in column ______.
What is 13A?
500
The ability of an atom to attract electrons when the atom is in a compound.
What is electronegativity?
500
Which of the following has a greater metallic reactivity? K, Sc, Cu
What is K?
500
Electrons are found in fixed positions around the nucleus based on their energies. (What model?)
What is Bohr's model of the atom?
500
The electron configuration of mercury.
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10?
500
The "f" block are the _____?
What are the inner transition metals?