Topic 1B Review

Front

What tells us the number of atoms of each element in a compound?

Back

Chemical Formula

Front

How many electrons does a sodium atom have?

Back

11

Front

What is the term for how quickly or slowly reactants turn into products in a chemical reaction?

Back

Reaction Rate

Front

What is atomic number?

Back

Number of protons in an atom

Front

How many atoms of carbon (C) are in C6H12O6?

Back

6

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules or atoms involved.

Front

What is the role of a catalyst in a chemical reaction?

Back

A substance that increases the rate of a reaction without being consumed.

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 the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.

Front

What is the definition of mass number?

Back

The total number of protons and neutrons in an atom's nucleus.