Wednesday: Science Final

Front

Who developed the atomic model that describes electrons orbiting the nucleus in fixed paths?

Back

Niels Bohr

Front

How are the particles of atoms organized?

Back

Electrons orbit the nucleus, which contains protons and neutrons.

Front

What does the Quantum Mechanical Model suggest about the location of electrons?

Back

Electrons are located in orbitals with specific shapes and energy levels.

Front

In nuclear reactions, when protons fuse together, their mass is transformed into what?

Back

Energy

Front

What is the main feature of Bohr's Planetary Atomic Model?

Back

Electrons orbit the nucleus in fixed paths.

Front

What are the three main particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the approximate mass of a neutron compared to a proton?

Back

They have approximately the same mass.