Chemical Names and Formulas - Lesson 1 - Review of the basics

Front

How many valence electrons does calcium have?

Back

Calcium has 2 valence electrons.

Front

A _____________ ion is made up of a single atom.

Back

monoatomic

Front

How many atoms are in this molecule? C6H12O6

Back

There are 24 atoms in C6H12O6.

Front

An ______ is any atom or group of atoms with a negative charge.

Back

anion

Front

A molecular compound is always made up of 2 or more ___________ covalently bonded together.

Back

nonmetals

Front

What is the chemical formula for water?

Back

H2O

Front

What is the charge of a sodium ion?

Back

A sodium ion has a charge of +1.

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.

Front

What is the chemical name for NaCl?

Back

Sodium chloride.

Front

What is the formula for carbon dioxide?

Back

CO2