Atomic Models Flashcard

Front

Which model was created after the discovery of the nucleus?

Back

Rutherford's model.

Front

Who discovered electrons?

Back

J.J. Thompson.

Front

What did Ernest Rutherford discover about the atom?

Back

The atom is mostly empty space and has a positively charged nucleus.

Front

What did Erwin Schrodinger develop to help with atomic theory?

Back

The Electron Cloud Model.

Front

Who was the first person to 'think' of an atom?

Back

Democritus.

Front

What is Dalton's Atomic Theory?

Back

All matter is made of atoms, which are indivisible and indestructible.

Front

What is the Plum Pudding Model?

Back

A model of the atom proposed by J.J. Thompson, where electrons are embedded in a positively charged 'soup'.

Front

What did Niels Bohr contribute to atomic theory?

Back

He proposed that electrons orbit the nucleus in fixed paths or energy levels.

Front

What is the Quantum Mechanical Model?

Back

A model that describes electrons as wave functions and probabilities rather than fixed orbits.

Front

What is the charge of a proton?

Back

Positive.