1st nine weeks review

Front

What is the atomic number of an atom?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Mass number - Atomic number.

Front

What is the mass number of an atom?

Back

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

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What is ionization energy?

Back

Ionization energy is the amount of energy required to remove an electron from an atom.

Front

Who is known for the Gold Foil Experiment?

Back

Ernest Rutherford is known for the Gold Foil Experiment, which led to the discovery of the atomic nucleus.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom, contributing to the mass number.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the significance of the Gold Foil Experiment?

Back

The Gold Foil Experiment demonstrated that atoms have a small, dense nucleus, leading to the modern understanding of atomic structure.

Front

What is the charge of a proton?

Back

A proton has a positive charge.