13.4Q) Metals

Metallic bonding is chemical bonding from...?

• ...the attraction of positive metal ions and delocalized electrons.

• ...sharing of electron pairs between atoms.

• ...the transfer of electrons between atoms.

• ...the attraction between electronegative atoms and lone pairs.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Metallic bonding gets stronger if...

• ...there are more delocalized electrons.

• ...there are more shared electrons.

• ...the size of the atoms get bigger.

• ...the mass of the atoms get bigger.

Ductility is the...

• Ability of metals to be drawn into wires.

• Ability of metals to deform without breaking.

• Ability of a material to break or shatter without significant deformation.

• Ability to withstand wear, pressure, or damage.

Metallic Bonds require...

• ...high energy to break.

• ...moderate energy to break.

• ...low energy to break.

Thermal conductivity is the ability of a material to conduct...

• heat.

• electric current.

• force.

• light.

Tags

NGSS.HS-PS3-4

Delocalized electrons:

• Electrons are free to move across metal structure.

• Electrons are bound in energy shells associated with atoms.

• Electrons are shared between atoms.

• Electrons are attracted to ions.

Crystallinity

• Degree of ordered regions in the sample

• ranges of energy levels available to electrons in metals.

• made by combining two or more metallic elements,

Tags

NGSS.HS-PS1-3

Electron Bands

• degree of ordered regions in the sample

• ranges of energy levels available to electrons in metals.

• made by combining two or more metallic elements,

Alloy

• degree of ordered regions in the sample

• ranges of energy levels available to electrons in metals.

• made by combining two or more metallic elements,

Which mechanical properties have high values in most metals?

• Viscoelasticity

• Malleability

• Density gradient

• Grain Structure

• Tear resistance