Electrons in Atoms

Front

What is the electron configuration of nitrogen?

Back

1s² 2s² 2p³

Front

Who proposed the Bohr model of the atom?

Back

Niels Bohr

Front

What is the maximum number of electrons that can occupy a single orbital?

Back

2 electrons

Front

What happens to an electron when it moves from a higher energy level to a lower energy level?

Back

It releases energy.

Front

What is the principle that states electrons fill the lowest energy orbitals first?

Back

Aufbau Principle

Front

Which element has the atomic number 17?

Back

Chlorine

Front

What is the shape of the p orbital?

Back

Dumbbell-shaped

Front

What is the Pauli Exclusion Principle?

Back

No two electrons in an atom can have the same set of four quantum numbers.

Front

What does the term 'valence electrons' refer to?

Back

Electrons in the outermost shell of an atom.

Front

What is the significance of the quantum number 'n'?

Back

It indicates the energy level of an electron.