Question

Question 17
Match the molecule or compound to the type of bond found between the elements.

Column A
1.
NaCl:
NaCl
2.
MgBr2

:
MgBr2

3.
CO2

:
CO2

4.
SO2

:
SO2

Column B
a.ionic bond
b.covalent bond
Question 18
Match the state of matter to its description.

Column A
1.
particles are tightly packed and vibrate in place; definite shape and volume:
particles are tightly packed and vibrate in place; definite shape and volume
2.
particles are loosely packed and slide past one another; indefinite shape but definite volume:
particles are loosely packed and slide past one another; indefinite shape but definite volume
3.
particles are far apart and move at fast speeds; indefinite shape and volume:
particles are far apart and move at fast speeds; indefinite shape and volume
Column B
a.solid
b.gas
c.liquid
Question 19
Match the trend on the periodic table to its description

Column A
Column A
1.
a measure of how strongly atoms attract bonding electrons to themselves:
a measure of how strongly atoms attract bonding electrons to themselves
2.
the amount of energy required to remove an electron from an atom or molecule:
the amount of energy required to remove an electron from an atom or molecule
3.
a measure of the size of an atom:
a measure of the size of an atom
Column B
Column B
a.atomic radius
b.electronegativity
c.ionization energy
Question 20
Using what you know about the trend of electronegativity on the periodic table, which of the following elements would be the most electronegative?

a
Neon
b
Iron
c
Calcium
d
Fluorine
Question 21
Match the following words to their descriptions.

Column A
1.
the smallest unit of matter:
the smallest unit of matter
2.
two atoms held together by an ionic bond:
two atoms held together by an ionic bond
3.
two atoms held together by a covalent bond:
two atoms held together by a covalent bond
4.
Si:
Si
5.
NaCl:
NaCl
6.
CO2

:
CO2

Column B
a.compound
b.atom
c.molecule

Answer 1

Question 17
1. NaCl — a (ionic bond)
2. MgBr2 — a (ionic bond)
3. CO2 — b (covalent bond)
4. SO2 — b (covalent bond)

Question 18
1. particles tightly packed, vibrate, definite shape & volume — a (solid)
2. particles loosely packed, slide past, indefinite shape but definite volume — c (liquid)
3. particles far apart, move fast, indefinite shape & volume — b (gas)

Question 19
1. measure of how strongly atoms attract bonding electrons — b (electronegativity)
2. energy required to remove an electron — c (ionization energy)
3. measure of the size of an atom — a (atomic radius)

Question 20
Most electronegative: d (Fluorine)

Question 21
1. the smallest unit of matter — b (atom)
2. two atoms held together by an ionic bond — a (compound)
3. two atoms held together by a covalent bond — c (molecule)
4. Si — b (atom)
5. NaCl — a (compound)
6. CO2 — c (molecule)