CHEM 219 MODULE 1 COMPREHENSIVE
EXAM QUESTIONS AND CORRECT
ANSWERS GRADED A+
◉ Catenation
Answer: the process or preference of an element to bond with
another atom of the same element
◉ Valence
Answer: the number of bonds an atom will form to fill its
outermost shell
◉ ionic bond
Answer: Formed when one or more electrons are transferred from
one atom to another
◉ covalent bond
Answer: A chemical bond that involves sharing a pair of electrons
between atoms in a molecule
◉ diatomic elements
Answer: molecules composed of only two atoms, of the same
elements
, ◉ polar covalent bond
Answer: A covalent bond in which electrons are not shared
equally
◉ bond order
Answer: the number of bonds between atoms
◉ Unsaturated compound
Answer: A compound in which there is at least one double and/or
triple bond between carbon atoms
◉ molecular formula
Answer: Conveys the number and type of different atoms present
in a compound
◉ structural formula
Answer: Conveys the number and type of different atoms present
in a compound and also shows a pattern of connectivity between
the atoms in the molecule
◉ isomers
Answer: Molecules that have the same number and type of atoms
of different arrangements of the atoms
EXAM QUESTIONS AND CORRECT
ANSWERS GRADED A+
◉ Catenation
Answer: the process or preference of an element to bond with
another atom of the same element
◉ Valence
Answer: the number of bonds an atom will form to fill its
outermost shell
◉ ionic bond
Answer: Formed when one or more electrons are transferred from
one atom to another
◉ covalent bond
Answer: A chemical bond that involves sharing a pair of electrons
between atoms in a molecule
◉ diatomic elements
Answer: molecules composed of only two atoms, of the same
elements
, ◉ polar covalent bond
Answer: A covalent bond in which electrons are not shared
equally
◉ bond order
Answer: the number of bonds between atoms
◉ Unsaturated compound
Answer: A compound in which there is at least one double and/or
triple bond between carbon atoms
◉ molecular formula
Answer: Conveys the number and type of different atoms present
in a compound
◉ structural formula
Answer: Conveys the number and type of different atoms present
in a compound and also shows a pattern of connectivity between
the atoms in the molecule
◉ isomers
Answer: Molecules that have the same number and type of atoms
of different arrangements of the atoms