Hot Seat
INVESTIGATION V:
BUILDING WITH
MATTER
To conduct or not to conduct?
That is the question.

NaCl(s)
To conduct or not to conduct? That
is the question.

H2O(l)
To conduct or not to conduct? That
is the question.

Al(s)
To conduct or not to conduct? That
is the question.

C12H22O11(s)
To conduct or not to conduct? That
is the question.

NaCl(aq)
To conduct or not to conduct? That
is the question.

SiO2(s)
To conduct or not to conduct? That
is the question.

C20H42(s)
To conduct or not to conduct? That
is the question.

C2H6O(l)
To conduct or not to conduct? That
is the question.

Cu(s)
To conduct or not to conduct? That
is the question.

CaCl2(aq)
To conduct or not to conduct? That
is the question.

CuSO4(s)
To conduct or not to conduct? That
is the question.

MgSO4(aq)
Which of the following will conduct
electricity? (You may choose more
than one)
A.
B.
C.
D.
E.
Solid metals
Metal-nonmetal compounds in a solid
state
Metal-nonmetal compounds dissolved in
water
Non-metal compounds in a solid state
Non-metal compounds dissolved in
water
What is an attraction between
atoms that holds them together in
space?
A bond
Made of metal and non-metal atoms
Ionic
Metallic
Covalent
Network
Molecular
Covalent
A gas made of nonmetal atoms
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Made entirely of metal atoms
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Very hard solids made entirely of
nonmetal atoms
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Tend to be liquids, gases, or softer
solids
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Brittle solids
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Bendable solids
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Softer solids that do not conduct
electricity
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Conducts electricity when dissolved
but not when solid
Ionic
Metallic
Covalent
Network
Molecular
Covalent
CH4(g) Methane
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Si(s) silicon (computer chips)
Ionic
Metallic
Covalent
Network
Molecular
Covalent
NaOH(aq) Sodium Hydroxide
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Li(s) Lithium
Ionic
Metallic
Covalent
Network
Molecular
Covalent
SiO2(s) Silicon dioxide (sand)
Ionic
Metallic
Covalent
Network
Molecular
Covalent
14K gold earrings
Ionic
Metallic
Covalent
Network
Molecular
Covalent
Ionic
Metallic
Covalent
Network
Molecular
Covalent
What is an atom with a positive or
negative charge called?

Ion
Group 1 atoms will always (gain /
lose) ___ electrons.

Lose 1
Group 7 atoms will always (gain /
lose) ___ electrons.

Gain 1
Group 5 atoms will always (gain /
lose) ___ electrons.

Gain 3
Group 2 ions will always have a
charge of ___

+2
Group 17 ions will always have a
charge of ___

-1
The noble gases are located in
group _____ (You may choose
more than one answer)
A.
B.
C.
D.
8
8A
18
VIIIA
Group VIA ions will always have a
charge of ___

-2
Spelling counts!
ATOMS WITH A POSITIVE
CHARGE ARE CALLED
__________ WHILE ATOMS
WITH A NEGATIVE
CHARGE ARE CALLED
__________
Noble gases are stable because
they…

Have a filled valence (outermost) shell
What is the cation in potassium
bromide? Anion in potassium
bromide?
Cation K+1
 Anion Br-1

What is the cation in magnesium
fluoride? Anion in magnesium
fluoride?
Cation Mg+2
 Anion F-1

What is the chemical formula for
magnesium fluoride?

MgF2
What is the name of this
compound? NaF

Sodium Fluoride
How many valence electrons are in
the compound, K2Se

8