SCH4U Exam Review University of Toronto | UPDATED Questions with
100% Verified Answers
Question:
atomic number
Answer:
the number of protons in the nucleus of one atom of a
particular element
Question:
atomic radius
Answer:
measure of the size of the elements atoms
Question:
electron configuration
Answer:
a shorthand notation that shows the number and arrangement
of electrons in an atom's orbitals
Question:
orbital
Answer:
solved wave functions that describe a region of probable
location of electrons
Question:
excited state
Answer:
any quantum state of the system that has a higher energy than
the ground state
Question:
ground state
, Answer:
the most stable energy state
Question:
ionization energy
Answer:
the energy required to remove the most loosely bound
electron of an isolated gaseous atom to form a cation
Question:
valence electrons
Answer:
electrons that occupy the outer occupied energy level of an
atom in its ground state
Question:
isotope
Answer:
two or more forms of the same element that contain an equal
number or protons but a different number of neutrons
Question:
mass number
Answer:
the number or protons plus the number of neutrons in the
nucleus of an atom
Question:
electronegativity
Answer:
a relative measure of an atom's ability to attract shared
electrons in a chemical bond
100% Verified Answers
Question:
atomic number
Answer:
the number of protons in the nucleus of one atom of a
particular element
Question:
atomic radius
Answer:
measure of the size of the elements atoms
Question:
electron configuration
Answer:
a shorthand notation that shows the number and arrangement
of electrons in an atom's orbitals
Question:
orbital
Answer:
solved wave functions that describe a region of probable
location of electrons
Question:
excited state
Answer:
any quantum state of the system that has a higher energy than
the ground state
Question:
ground state
, Answer:
the most stable energy state
Question:
ionization energy
Answer:
the energy required to remove the most loosely bound
electron of an isolated gaseous atom to form a cation
Question:
valence electrons
Answer:
electrons that occupy the outer occupied energy level of an
atom in its ground state
Question:
isotope
Answer:
two or more forms of the same element that contain an equal
number or protons but a different number of neutrons
Question:
mass number
Answer:
the number or protons plus the number of neutrons in the
nucleus of an atom
Question:
electronegativity
Answer:
a relative measure of an atom's ability to attract shared
electrons in a chemical bond
