Structure of the Atom

Front

What is the atomic number of Boron?

Back

5

Front

What subatomic particle has a positive charge?

Back

Proton

Front

What subatomic particle has no charge?

Back

Neutron

Front

What is the mass of an electron compared to protons and neutrons?

Back

Electrons have a negligible mass compared to protons and neutrons.

Front

How many neutrons does Boron typically have?

Back

5 (in its most common isotope, Boron-11).

Front

What is the charge of a neutron?

Back

Neutrons have no charge.

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number and identity of the element.

Front

What is the role of electrons in an atom?

Back

Electrons are involved in chemical bonding and reactions.

Front

What is the nucleus of an atom composed of?

Back

The nucleus is composed of protons and neutrons.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a net charge due to the loss or gain of electrons.