Solids and Modern Materials

Metallic solids are composed of metal cations held together by a delocalized "sea" of valence electrons.

• True

• False

All of the following are properties of metallic solids except?

• They possess high melting and boiling points

• They show high thermal conductivity.

• They form crystals.

• They are malleable and ductile.

Ionic solids are solids held together by hydrogen bonds.

• True

• False

The three types of molecular solids include all of the following except:

• Non-Polar Molecular Solids

• Polar Molecular Solids

• Hydro-Polar Solids

• Hydrogen Bonded Molecular Solids

Are extended networks of atoms held

together by covalent bonds.

• True

• False

Which of the following are examples(4) of covalent network solids?

• Diamond

• Silicon Dioxide

• Gold

• Graphite

• Silicone Carbide

Tags

NGSS.HS-PS1-3

A polymer can be ________ or _________. (use a comma and no space)

Tags

NGSS.MS-PS1-3

All of the following are types of polymers except:

• Crystal Polymers

• Linear Polymers

• Branched Polymers

• Cross Linked Polymers

• Network Polymers

Which type of polymer is the image above showing?

• Linear

• Cross-Linked

• Network

• Branched

Which type of polymer is the illustrated above?

• Cross-Linked

• Network

• Branched

• Linear