Use the terms below to create a crossword puzzle online at

http://www.armoredpenguin.com/crossword/

You may use your textbook or the Internet to help you, but you MUST paraphrase (use your own words). Copy/Paste assignments will not be accepted.

Here are the vocabulary terms:

Atom

Element

Nucleus

Electron Cloud

Proton

Neutron

Electron

Atomic Number

Atomic Mass

Atomic Mass Unit

Mendeleev

Periodic Table

Group

Period

Valence Electrons

Metals

Nonmetals

Metalloids

Nuclear Fusion

Radioactivity

Isotope