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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

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. liquid
b. gas
c. solid

19. Match the trend on the periodic table to its description

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
a. electronegativity
b. atomic radius
c. ionization energy

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
Fluorine
b
Neon
c
Calcium
d
Iron

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. atom
b. compound
c. molecule

1 answer

Here are the answers to your matching questions:

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

  1. NaCl: a. ionic bond
  2. MgBr2: a. ionic bond
  3. CO2: b. covalent bond
  4. SO2: b. covalent bond

18. Match the state of matter to its description.

  1. particles are tightly packed and vibrate in place; definite shape and volume: c. solid
  2. particles are loosely packed and slide past one another; indefinite shape but definite volume: a. liquid
  3. particles are far apart and move at fast speeds; indefinite shape and volume: b. gas

19. Match the trend on the periodic table to its description.

  1. a measure of how strongly atoms attract bonding electrons to themselves: a. electronegativity
  2. the amount of energy required to remove an electron from an atom or molecule: c. ionization energy
  3. a measure of the size of an atom: b. atomic radius

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. Fluorine

21. Match the following words to their descriptions.

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

(Note: For questions 4, 5, and 6, if you are strictly following the match with the given descriptors, Si as it stands alone can be categorized as an atom, while NaCl and CO2 are correctly identified as compounds and molecules, respectively. If needed, please specify any specific detail.)