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= ������������������������������������������ Name:

 

Advanced Chemistry:Quiz #1(Atoms & Ions)

 

The following
multiple choice questions are worth 2 pts. each.Circle the letter to the left of the best
response.

1.���� The
number of��������������� in an atom determines which element the atom
is.

a.
protons

b.
neutrons

c.
electrons

d.
isotopes

e.
energy levels

2.       If
two particles are isotopes it means that they:

a.
are isoelectronic with a noble
gas.

b.
have the same number of
neutrons.

c.
have a different number of
electrons, but have the same number of outer shell electrons.

d.
have the same number of
protons, but a different number of neutrons.

e.
have the same number of
protons, but a different number of electrons.

3.       An
iron ion is normally formed by:

a.
removing protons from a
neutral iron atom.

b.
removing neutrons from a
neutral iron atom.

c.
adding protons to a neutral
iron atom.

d.
adding electrons to a neutral
iron atom.

e.
removing electrons from a
neutral iron atom.

4.���� A chloride ion
is normally formed by:

a.
removing protons from a
neutral chlorine atom.

b.
removing neutrons from a
neutral chlorine atom.

c.
adding protons to a neutral
chlorine atom.

d.
adding electrons to a neutral
chlorine atom.

e.
removing electrons from a
neutral chlorine atom.

5.���� How many
neutrons are in an atom of sulphur-35?(1 pt.)

6.���� Write the
symbols for three ions that are isoelectronic with argon (Ar).(3 pts.)

7.���� How many
electrons are in a typical nitride ion?(1 pt.)

8.���� How many
electrons are in a typical sodium ion?(1 pt.)

9.���� How many
neutrons are in a typical zinc atom?(1 pt.)

10.�� Complete the
table on the other side. (31 pts./ 1 pt. per box)