Chemistry of Life Review

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.

Front

True or False: Covalent bonds share electrons.

Back

True

Front

What is at the center of every atom?

Back

The nucleus.

Front

What are molecules?

Back

Molecules are groups of two or more atoms bonded together.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions.

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 an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the chemical formula for table salt?

Back

NaCl.

Front

What type of bond is formed in NaCl?

Back

An ionic bond.