Atoms TEST 2024

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How many protons does an atom with atomic number 6 have?

Back

An atom with atomic number 6 has 6 protons.

Front

What are neutrons?

Back

Neutrons are particles in an atom that are neutral and have no charge.

Front

What is the mass number of Fluorine (F)?

Back

The mass number of Fluorine (F) is 19.

Front

What is the difference between protons and electrons?

Back

Protons are positively charged particles, while electrons are negatively charged particles.

Front

What is the charge of a neutron?

Back

Neutrons have no charge; they are neutral.

Front

How do you calculate the mass number of an atom?

Back

Mass number = Number of protons + Number of neutrons.

Front

What is the role of electrons in an atom?

Back

Electrons are responsible for chemical bonding and reactions.

Front

What is an isotope?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.