Metallic Bonding Questions

What is the basis of a metallic bond?

• the attraction of neutral metal atoms.
• the attraction between protons and neutrons.
• the attraction between positive metal ions and interlocking electrons.
• the attraction between positive metal ions and free floating electrons.

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

• True
• False

What does malleable mean?

• able to be hammered flat

• will break easily
• can be used for wire
• is shiny

Which of these is NOT an alloy?

• bronze
• copper
• brass
• stainless steel

What is the ability of a substance to be pulled into a thin strand?

• Malleability
• Ductility 
• Conductivity
• Solubility

Why do metals conduct

• They are shiny
• The electrons are held tightly in place

• The electrons are mobile and able to move between all metal ions

• The electrons are shared between two metal ions

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

• Metallic
• Inner
• Outer
• Ionic

What do metals conduct?

• heat
• electricity
• both
• neither

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.

Tags

NGSS.MS-PS1-4

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.