Metallic Bonds — Unit test Answers
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How do the nuclei of covalently bonded atoms help keep the bond together?
A
Neutral particles in the nucleus provide enough mass that the force of gravity holds the atoms together.B
Neutral particles in the nucleus can become positive or negative in order to balance the charges.C
Positive particles in the nucleus change into negative particles that enter electron shells.D
Positive particles in the nucleus are attracted to shared electrons, so the atoms stay close together.23
Lionel has a hot plate, a thermometer, a container of water, a spoon, and a small hammer. Using these tools, Lionel can test several properties of an ionic compound.Which property of the compound will he not be able to test?
A
atomic structureB
melting pointC
ability to dissolveD
brittleness24
What is a limitation of using a chemical formula, such as C6H12O6, to represent a compound?
A
The chemical formula does not show the types of elements that make up the compound.B
The chemical formula does not show how the atoms are connected to one another.C
The chemical formula does not show the number of atoms of each element in a molecule.D
The chemical formula does not show the chemical symbols of the elements in the compound.25
What does the chemical formula C3H6O2 tell about a molecule of the compound it represents?
A
It is made up of 3 atoms of 11 different elements.B
It is made up of 11 atoms joined in a straight line.C
It is made up of 11 total atoms of 3 different elements.D
It is made up of 1 atom composed of 3 different elements.26
The bonding between metal atoms is strong. This helps explain why most metals are
A
solid.B
liquid.C
gaseous.D
semisolid.Did you find these answers helpful?
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