Metallic Bonding Alloys

In metals, the _______ electrons form a shared sea of electrons.

• Metallic
• Inner
• Outer
• Ionic

In general, what can be said of the melting points of metals?

• They are low.
• They are high.
• They are lower than nonmetals.
• They do not have melting points.

I can hit a metal with a hammer without the metal shattering because of its __________.

• Ductility
• Malleability
• Conductivity
• Lustrousness

Metals like to ________ electrons.

• Gain
• Lose
• Anhilate
• Juggle

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

There are more metals than non metals in the periodic table.

• True
• False

What do metals conduct?

• heat
• electricity
• both
• neither

What does malleable mean?

• able to be shaped
• will break easily
• can be used for wire
• is shiny

Why are alloys generally used to make everyday objects?

• Alloys are often stronger and less active than pure metals.
• Alloys have higher melting point than pure metals.
• Alloys are less expensive to produce than pure metals.
• Alloys have ionic bonds instead of metallic bonds.

Metallic bonding is...

• a type of covalent bond.
• a type of ionic bond.
• an attraction between positive and negative ions.
• an attraction between positive ions and electrons.

At room temperature, most metals are

• liquid
• solid
• gas
• an alloy

Tags

NGSS.MS-PS1-4