Electrons
properties of metals
Crystalline Structure
Defects
Defects and Properties of Metals
100

electrons that are not associated with a single atom or covalent bond in a molecule, ion, or solid metal and are free to move in the crystal lattice 

Delocalized electrons

100

the ability to be drawn into wires

Ductility

100

In FCC structure, every atom has __________ neighbors arranged

12 

100

In______________ defect, extra atoms are stuck where they don’t belong

interstitial

100

Folding or hammering the metal creates ___________

along the slip plane.

shear forces

200

How many valence electrons are present in zinc metal 

2 electrons

200

 the ability to be hammered or pressed into shapes.

Malleability

200

In BCC structure, every atom has __________neighbors

eight

200

In a ____________ defect, different

atoms take the place of existing

atoms in the crystal lattice.

substitution

200

___________ a dislocation hardens the metal.

Pinning

300

Other than the valence shell, all inner shells are called 

Core shells 

300

 The material’s ability to conduct heat is called?

Thermal conductivity

300

zinc, has  _________crystal structure

HCP

300

In a _______defect,atoms are missing from

the lattice structure

vacancy

300

A ___________ happens when entire planes of

atoms get inserted or removed

dislocation

400

How many electrons does zinc metal have?

30 

400

 The material’s ability to conduct electricity is called?

Electrical conductivity

400

Aluminum has ____________ crystal structure 

FCC

400

Blue sapphires result from substitutions

of ____________ 

titanium and iron atoms

400

 ___________are mixtures of two or more elements, at least one of which is a metal

Alloys

500

When pressure is applied to a metal, the metal changes shape without breaking because of,

 The cations easily change position

500

The way light interacts with a material’s surface is called?

luster

500

Which crystal structure has a non-cubic geometry?


HCP

500

A _______________ is a defect or irregularity within a crystal that occurs at a point in the lattice

point defect

500

____________ is a combination of a metal element

(iron) and up to 2% by weight of a nonmetal element

(carbon).

Steel