Chemistry Fall Final Exam Review c

Front

What is ductility?

Back

Ductility is the ability of a substance to be pulled into a thin strand or wire without breaking.

Front

How many moles are in 4.5x10^24 particles?

Back

0.747 mol

Front

Which metal rusts?

Back

Iron rusts when it reacts with oxygen and moisture.

Front

What properties do solids have?

Back

Solids have a definite shape and volume.

Front

How many orbitals does an s sublevel have?

Back

An s sublevel has 1 orbital.

Front

What is malleability?

Back

Malleability is the ability of a substance to be hammered or pressed into thin sheets without breaking.

Front

What is conductivity?

Back

Conductivity is the ability of a substance to conduct electricity or heat.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.