Atomic Structure and Isotopes

Front

What is an isotope?

Back

The same type of atom with different numbers of neutrons.

Front

What part of the atom has no charge?

Back

Neutron.

Front

How many electrons does a neutral fluorine atom have?

Back

9.

Front

In the nuclear notation for Boron-11, what does the 5 represent?

Back

Boron’s atomic number.

Front

What does the notation for an isotope of beryllium indicate about its protons and neutrons?

Back

This isotope has 4 protons and 5 neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How do isotopes of an element differ from each other?

Back

They have different numbers of neutrons.

Front

What is the charge of a neutron?

Back

No charge (neutral).

Front

What is the relationship between protons and electrons in a neutral atom?

Back

They are equal in number.

Front

What is the significance of atomic mass?

Back

It is the weighted average mass of an element's isotopes.