The Periodic Table

An online crossword puzzle with 14 words. Play it free at AgileCrosswords.com.

Clues

• The number of protons in the nucleus
• ________ metals are located in the middle of the periodic table
• Group 8 elements are called ________
• Protons + neutral particles = ________
• Element used in swimming pools
• Element with eight protons in the nicleus
• Group 1 elements are called ________
• Negatively charged particles that orbit the nucleus
• Neutral particles in the nucleus
• Smallest element
• Two or more elements chemically combined; Cannot be separated by physical means
• Can be separated by physical means
• The smallest particles of chemical elements that can exist.
• Preferred number of negative particles in the outermost shell

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