Atoms, Isotopes, and Ions

Front

What is an example of an Isotope?

Back

C-14

Front

What is the definition of isotope?

Back

Atoms of an element with different numbers of neutrons.

Front

What are the names of the horizontal rows on the periodic table?

Back

The periods

Front

Which atom has 4 neutrons?

Back

Li-7

Front

Valence electrons are:

Back

Electrons farthest away from the nucleus.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is the charge of a proton?

Back

Positive (+1)

Front

What is the charge of an electron?

Back

Negative (-1)

Front

What is the charge of a neutron?

Back

Neutral (0)

Front

What is an ion?

Back

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.