BIOS 251: ANATOMY & PHYSIOLOGY
COMPLETE SOLUTION RATED A+
Which of the following would you classify as a molecule?
Cu
Fe
N
S2F - correct answer S2F
Which of these subatomic particles is found outside of the nucleus of an atom?
Nucleons
Protons
Neutrons
Electrons - correct answer electrons
Which of the following would you classify as a cation?
OH-
K+
S2-
FeO - correct answer K+
If we cut a chunk of iron into smaller pieces, is it still iron no matter how small the pieces
are? - correct answer Yes, an atom of iron would be iron no matter how small the pieces
became.
A molecule with 14 total electrons and 12 total protons has a charge of? - correct answer -2
An atom with 55 protons and 54 electrons has a charge of? - correct answer +1
An atom with 12 protons and 10 electrons has a charge of? - correct answer +2
A molecule with 76 electrons and 73 protons has a charge of? - correct answer -3
, Which of the following would be a molecule?
Li
CuO
Mg
C - correct answer CuO
An atom has a mass number of 48 and 22 neutrons. How many protons would this atom
have? - correct answer 26
Select all the terms we could use to describe an Al atom with a charge of +3. Select all that
apply.
Anion
Ion
Molecule
Cation - correct answer ion, cation
If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be the charge
of this ion? - correct answer -1
Which of the following compounds would you expect to be an electrolyte?
N2
O2
KCI
CH4
H2O - correct answer KCl
An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion? - correct
answer iron Fe
Which of the following terms would you use to describe Mg2+. Select all that apply.
Ion
Molecule
Subatomic particle
Element - correct answer ion, element
COMPLETE SOLUTION RATED A+
Which of the following would you classify as a molecule?
Cu
Fe
N
S2F - correct answer S2F
Which of these subatomic particles is found outside of the nucleus of an atom?
Nucleons
Protons
Neutrons
Electrons - correct answer electrons
Which of the following would you classify as a cation?
OH-
K+
S2-
FeO - correct answer K+
If we cut a chunk of iron into smaller pieces, is it still iron no matter how small the pieces
are? - correct answer Yes, an atom of iron would be iron no matter how small the pieces
became.
A molecule with 14 total electrons and 12 total protons has a charge of? - correct answer -2
An atom with 55 protons and 54 electrons has a charge of? - correct answer +1
An atom with 12 protons and 10 electrons has a charge of? - correct answer +2
A molecule with 76 electrons and 73 protons has a charge of? - correct answer -3
, Which of the following would be a molecule?
Li
CuO
Mg
C - correct answer CuO
An atom has a mass number of 48 and 22 neutrons. How many protons would this atom
have? - correct answer 26
Select all the terms we could use to describe an Al atom with a charge of +3. Select all that
apply.
Anion
Ion
Molecule
Cation - correct answer ion, cation
If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be the charge
of this ion? - correct answer -1
Which of the following compounds would you expect to be an electrolyte?
N2
O2
KCI
CH4
H2O - correct answer KCl
An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion? - correct
answer iron Fe
Which of the following terms would you use to describe Mg2+. Select all that apply.
Ion
Molecule
Subatomic particle
Element - correct answer ion, element
