The ATOM

Front

Who conducted the gold foil experiment?

Back

Ernest Rutherford conducted the gold foil experiment, which led to the discovery of the atomic nucleus.

Front

What is the happiest most stable group on the periodic table?

Back

The noble gases are the happiest and most stable group on the periodic table, known for their lack of reactivity.

Front

Who discovered the neutron?

Back

James Chadwick discovered the neutron in 1932, completing the understanding of atomic structure.

Front

What are horizontal rows on the periodic table called?

Back

Horizontal rows on the periodic table are called periods.

Front

What does the Law of Conservation of Mass state?

Back

The Law of Conservation of Mass states that mass is conserved in any process; it cannot be created or destroyed.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are protons?

Back

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

Front

What are neutrons?

Back

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

Front

What are electrons?

Back

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

Front

What is the atomic number?

Back

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