AP Chemistry Unit 2

How to determine if a covalent bond is polar

• Not here

• Determining if they are covalent or ionic

• A large differnce in electronegativities

What type of Alloy is this?

• Substitutional Alloy

• Interestial Alloy

• Subsitutional/Interestial Alloy

Tags

NGSS.HS-PS1-3

What type of Alloy is this?

• Subsitutional Alloy

• Interestial Alloy

• Subsitutional/Interestial Alloy

Additional metal inbetween points (decreases density and mallability, more mass but higher velocity)

• Subsitutional Alloy

• Interestial Alloy

• Subsitutional/ Interestial Alloy

Match the following properties with their classification as either an intensive or extensive property.

• Temperature at which an object changes from solid to liquid

• Melting point

• Amount of matter in an object

• Metallic

• Color of an object

• Silver

• Appearance of an object

• Mass

Select the electron.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Taking a pure metal and adding a subsitute

• Subsitutional Alloy

• Interestial Alloy

• Subsitutional/ Interestial Alloy

A molecule of methane has what shape?

• Tetrahedral

• Triangular

• Pyramidal

• Octahedral

Tags

NGSS.MS-PS1-1

The theory that is used to predict the arrangement of atoms about a central atom is called?

• Valence shell repulsion

• Valence shell electron sharing

• Valence shell electron pair repulsion

• Valence electron shell repulsion pair

In a polar covalent bond, the electrons gather around...

• The atom with the Greatest Electronegativity

• The atom with the Lowest Electronegativity

• Each atom Equally

• None of the Above