Bio 110 CCBC Exam #1 study guide Questions With
Complete Solutions
a basic solution Correct Answers PH >7 [OH(-)]>[H(+)]
a neutral solution Correct Answers PH [H(+)]=[OH(-)]
According to the Bohr model of the atom, how many orbitals are
there in the first energy level?
How many in the second?
How many in the third? How many electrons can each orbital
contain? Correct Answers 1st- 2
2nd- 8
3rd- 8
Acid Correct Answers any substance that ^ [H(+)] M.W= 36.5
g/mole
Adhesion Correct Answers a (quantum) action of molecules to
others of a different kind
an acid solution Correct Answers PH <7 [H(+)]>[OH(-)]
Anions Correct Answers One or more units of Negative charge
(Cl-) or (OH-)
Atomic number Correct Answers the # of protons
, Atomic weight (Atomic Mass) Correct Answers is the #that
indicates how much matter that atom contains compared w/
another atom. (# of P+) + (# of N) = atomic mass units
Base Correct Answers any substance that ^ [OH (-)] M.W=
40g/mole
Calorie Correct Answers amount of heat needed to raise the T
of 1g H2O 1 degree C
cations Correct Answers one or more units of positive charge
(H+)
Chemical bonds Correct Answers A force of attraction between
atoms in a compound
Cohesion Correct Answers attraction of molecules to others of
the same kind.
Covalent bond Correct Answers formed by shared pairs of
electrons / electrons shared equally
Electronegativity Correct Answers ability of an atomic nucleus
to attract electrons.
Element Correct Answers are substances that cannot be broken
down into simpler substances by ordinary chemical reactions.
Explain the difference between heat and temperature. Correct
Answers Heat : total kenetic energy of molecules
Temp : average kenetic energy of molecules
Complete Solutions
a basic solution Correct Answers PH >7 [OH(-)]>[H(+)]
a neutral solution Correct Answers PH [H(+)]=[OH(-)]
According to the Bohr model of the atom, how many orbitals are
there in the first energy level?
How many in the second?
How many in the third? How many electrons can each orbital
contain? Correct Answers 1st- 2
2nd- 8
3rd- 8
Acid Correct Answers any substance that ^ [H(+)] M.W= 36.5
g/mole
Adhesion Correct Answers a (quantum) action of molecules to
others of a different kind
an acid solution Correct Answers PH <7 [H(+)]>[OH(-)]
Anions Correct Answers One or more units of Negative charge
(Cl-) or (OH-)
Atomic number Correct Answers the # of protons
, Atomic weight (Atomic Mass) Correct Answers is the #that
indicates how much matter that atom contains compared w/
another atom. (# of P+) + (# of N) = atomic mass units
Base Correct Answers any substance that ^ [OH (-)] M.W=
40g/mole
Calorie Correct Answers amount of heat needed to raise the T
of 1g H2O 1 degree C
cations Correct Answers one or more units of positive charge
(H+)
Chemical bonds Correct Answers A force of attraction between
atoms in a compound
Cohesion Correct Answers attraction of molecules to others of
the same kind.
Covalent bond Correct Answers formed by shared pairs of
electrons / electrons shared equally
Electronegativity Correct Answers ability of an atomic nucleus
to attract electrons.
Element Correct Answers are substances that cannot be broken
down into simpler substances by ordinary chemical reactions.
Explain the difference between heat and temperature. Correct
Answers Heat : total kenetic energy of molecules
Temp : average kenetic energy of molecules
