Structure of the Atom

Front

What is at the center of every atom?

Back

A nucleus

Front

What charge does a neutron have?

Back

Neutral

Front

What is the mass number of an element?

Back

The total number of protons and neutrons in the nucleus of an atom.

Front

What does an atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

How do you calculate the mass number of an atom?

Back

By adding the number of protons and neutrons.

Front

What is the relationship between atomic number and the number of electrons in a neutral atom?

Back

In a neutral atom, the number of electrons equals the atomic number.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of the periodic table in relation to atomic structure?

Back

It organizes elements based on their atomic number and properties, reflecting their atomic structure.