Bohnert Chapter 4 test review

Front

What is an ion?

Back

An ion is an atom that has gained or lost electrons.

Front

How many electrons are in each covalent bond?

Back

Each covalent bond has 2 electrons.

Front

True or False: An atom with two electrons in its outer energy level will gain two electrons to become more chemically stable.

Back

False. It will lose or share electrons to achieve stability.

Front

Why do noble gases not form compounds with other atoms naturally?

Back

Because their outer energy level has eight electrons.

Front

What is the chemical formula for ethanol?

Back

C2H6O.

Front

What is the charge of a positively charged ion?

Back

A positively charged ion is called a cation.

Front

What is the charge of a negatively charged ion?

Back

A negatively charged ion is called an anion.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed by the sharing of electrons between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to have eight electrons in their outer shell.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.