Chapter 9 Test Preview

Front

When you have two letters in the element symbol, the second letter is always ______.

Back

lowercase

Front

Carbon is one of many nonmetals in group 14 that bond with other nonmetals as a covalent bond. True or False?

Back

False

Front

What is salt?

Back

A chemical compound formed from the reaction of an acid with a base.

Front

What are valence electrons?

Back

The number of electrons in the outer area of the electron cloud.

Front

What is a valence electron?

Back

An electron that is found in the outermost shell of an atom.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is a covalent bond?

Back

A type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is the periodic table?

Back

A tabular arrangement of elements, organized by increasing atomic number.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity and have high ionization energies.