Chem Reaction Vocab 1

Front

What is an element?

Back

An element is a pure chemical substance that cannot be broken down into simpler substances by chemical means. Examples include Lithium, Oxygen, and Gold.

Front

How many protons does magnesium have?

Back

Magnesium has 12 protons.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What are elements made of?

Back

Elements are made of atoms.

Front

What charge do neutrons have?

Back

Neutrons have no charge.

Front

What is an atom?

Back

An atom is the smallest unit of an element, consisting of protons, neutrons, and electrons.

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 a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is a substance formed when two or more different types of atoms bond together.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.