Chapter 9 vocabulary

What is a chemical bond?

• A type of gas

• A type of energy

• A force that holds atoms together

• A type of liquid

What is a compound?

• A type of element

• A type of mixture

• A material made up of two or more different kinds of atoms joined by chemical bonds

• A single type of atom

What is an ion?

• A type of metal

• An atom that is no longer electrically neutral because it has lost or gained valence electrons

• A type of molecule

• A type of compound

What is a covalent bond?

• A bond between two compounds

• A bond between two ions

• A bond that forms when two atoms share one or more pairs of valence electrons

• A bond between a metal and a non-metal

What is a metallic bond?

• A bond between two compounds

• A bond between a metal and a non-metal

• A bond between two non-metals

• A bond that forms when many metal atoms share their pooled valence electrons

What is a molecule?

• A type of compound

• A type of ion

• A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

• A single type of atom

What is a valence electron?

• An electron in the inner shell of an atom

• An electron in the outermost shell of an atom that can participate in forming chemical bonds with other atoms

• A type of ion

• A type of compound

Covalent bonds usually form when a nonmetal combines with a(an) METAL.

• True
• False

The most stable elements in the periodic table are found in the family of ___________.

• alkali metals

• metals

• halogens

• noble gases

A model that represents valence electrons in an atom as dots around the element’s chemical symbol

• Positive dot diagram

• electron placement

• electron dot diagram

• atom diagram