Chemistry Final Review

Front

What is the central part of an atom?

Back

Nucleus - the central part of an atom, containing protons and neutrons.

Front

What is a subatomic particle with no charge?

Back

Neutron - a subatomic particle that has no charge.

Front

What is the smallest particle of an element that retains the properties of that element?

Back

Atom - the smallest particle of an element that retains the properties of that element.

Front

What is the formula for calculating molarity?

Back

Molarity = moles of solute / liters of solution.

Front

What is the smallest particle of an atom?

Back

Electron - the smallest particle of an atom.

Front

What are protons?

Back

Protons - positively charged subatomic particles found in the nucleus of an atom.

Front

What is the charge of an electron?

Back

Negative - electrons carry a negative charge.

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.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What is Avogadro's number?

Back

Avogadro's number is 6.022 x 10^23, which is the number of particles in one mole of a substance.