Chem Unit 5 Review

Front

A charged particle that has gained at least one electron is called a(n) _____

Back

Anion

Front

What is the formula of calcium oxide?

Back

CaO

Front

Which type of bonding results in materials with the lowest melting and boiling points?

Back

Covalent bonding

Front

Is Iron (Fe) an element or a compound?

Back

Element

Front

What is the formula for barium carbonate?

Back

BaCO₃

Front

What is an ion?

Back

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Front

Define ionic bonding.

Back

A type of chemical bond that occurs between two ions with opposite charges.

Front

What is a cation?

Back

A positively charged ion that has lost one or more electrons.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.