Atomic Theory and Electromagnetic Spectrum

Who discovered electrons and created the Plum Pudding Model?

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

Who discovered that atoms are mostly empty space, and have a dense positive nucleus?

• JJ Thomson

• Schodinger and Heisenberg

• Niels Bohr

• Ernest Rutherford

Who described atoms as indivisible?

• John Dalton

• Ernest Rutherford

• William Crooks

• James Chadwick

What does APE MAN stand for?

• All Parrots and Eagles Must Abandon Neutrons

• Atomic Mass= Protons=Electrons

  Mass= Atomic Number+ Neutrons

• Atomic number= Protons=Electrons

  Mass= Atomic Number+ Neutrons

• Atomic number= Protons=Electricity

  Mass= Atomic Number+ Neutrons

Who used Spectral light emission prove that electrons have specific energy levels or paths?

• JJ Thomson

• John Dalton

• Niels Bohr

• Ernest Rutherford

Who stated that it is impossible to know the exact location of electrons?

• Schodinger and Heisenberg

• James Chadwick

• John Dalton

• Niels Bohr

Who discovered that neutron have neutral charge

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

• James Chadwick

Which one is a part of modern atomic theory?

• Atoms are indivisible

• Atoms contain protons and electrons

• Atoms contain protons, electrons, and neutrons

• Electrons have a specific path

What is Frequency?

• the number of waves to cross a point in 1 second

• the movement of electrons inside of atoms produces light

• the distance from crest to crest on a wave

• Atoms of the same element that have different atomic masses

What is wavelength?

• Atoms of the same element that have different atomic masses

• the number of waves to cross a point in 1 second

• the distance from crest to crest on a wave

• Neutron have neutral charge