Nonmetals — Quiz Answers

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4

What is the most likely reason that nonmetals are electrical insulators?

A
Since all nonmetals have valence shells that are full, they hold electrons tightly to avoid changing.
B
Since valence shells are mostly empty in nonmetal atoms, the atoms attract and hold any electrons they can in order to fill their valence shells.
C
Since all nonmetals have valence shells that are completely empty, they do not attract or release any electrons.
D
Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
5

What property do all of the group 18 elements have that makes them stand out from other elements?

A
They are the only nonmetals that are liquid at room temperature.
B
They are very likely to bond with any element, whether it is metallic or not.
C
They are very unlikely to bond with any element, whether it is metallic or not.
D
They are the only nonmetals that are solid at room temperature.
6

Where are the most reactive nonmetal elements found on the periodic table?

A
at the bottom of group 17
B
at the top of group 18
C
at the top of group 17
D
at the bottom of group 18
8

Krypton is named after the Greek word that means “secret.” Which explains why krypton was most likely given this name?

A
Krypton is a halogen, so it should be kept secret because it is so reactive and toxic.
B
Krypton is a halogen, so it is a secret element because it is always part of a compound and is difficult to find by itself.
C
Krypton is a noble gas, so it was difficult for chemists to find it, as though it was a secret.
D
Krypton is a noble gas, so it secretly bonds with every type of element without showing it.

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