Ions and Isotopes

Front

What does a +1 charge on an ion indicate?

Back

It has more protons than electrons.

Front

What type of ion does an atom become when it loses a valence electron?

Back

A positive ion.

Front

What does an element's atomic number represent?

Back

The number of protons in the nucleus.

Front

Where are valence electrons located?

Back

They are the electrons farthest away from the nucleus.

Front

When is an atom considered neutral?

Back

When it has the same number of protons and electrons.

Front

What are isotopes?

Back

Atoms of the same element that have different numbers of neutrons.

Front

How do you determine the charge of an ion?

Back

By comparing the number of protons to the number of electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

They are involved in forming bonds with other atoms.

Front

What happens to an atom's charge when it gains electrons?

Back

It becomes a negative ion.

Front

What is the relationship between protons and neutrons in isotopes?

Back

Isotopes have the same number of protons but different numbers of neutrons.