CHEM TEST 3

Front

What makes atoms least stable?

Back

Atoms are least stable when their electron shells are not full.

Front

What do atoms do in ionic bonds?

Back

In ionic bonds, atoms give or gain electrons.

Front

Where are symbols of elements NOT used?

Back

Symbols of elements are NOT used in identifying the origin of their name.

Front

What can chemical formulas be written for?

Back

Chemical formulas can be written for compounds.

Front

How are chemical bonds best defined?

Back

Chemical bonds are the forces that hold atoms together.

Front

What is an atom?

Back

An atom is the smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is the Periodic Table?

Back

The Periodic Table is a tabular arrangement of elements, organized by increasing atomic number.

Front

What is an electron shell?

Back

An electron shell is a grouping of electrons surrounding the nucleus of an atom.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.