Atomic Chemistry

If I wanted to find basic information on an element, I would look at:

• A Periodic Table

• A Kitchen Table

• A Chemistry Book

A Pure Substance is:

• Anything that is made up of only one type of atom or molecule

• Anything made up of two or more types of atoms or molecules

• A substance that has never committed a crime

A Mixture is:

• Anything made up of one type of atom or molecule

• Anything made up two or more atoms or molecules

• Anything made up of two or more types of atoms or molecules that are mixed together

An element is an example of:

• A Pure Substance

• A Mixture

• A Compound

The atomic symbol of Potassium?

• Po

• Pt

• Ps

• K

Which of the following is an example of a mixture?

• Water

• Sugar

• Soda

• Oxygen

Sulfur has an atomic number of 16. This means it has _____ protons and electrons.

• 32

• 4

• 16

• 8

Which element has an atomic symbol of H?

• Helium

• Oxygen

• Hassium

• Hydrogen

Oxygen has an atomic mass of 16 and an atomic number of 8. How many neutrons are in an oxygen atom?

• 8

• 16

• 2

• 4

In the molecule, H2SO4, how many sulfur atoms are there?

• 2

• 4

• 1

• 0