Models of the Atom

What can you conclude from the fact that scientists continue to update the atomic model?

• New information about atoms continues to be discovered

• Old information about atoms is completely useless

• Scientists did not have any information about atoms until a few years ago

• Scientists still have no idea what atoms look like

The atomic model that can be compared with a blueberry muffin or plum pudding was conceptualized by...

• Niels Bohr.

• JJ Thomson.

• Democritus.

• Ernest Rutherford.

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NGSS.MS-PS1-1

Which of the following ideas about atomic structure resulted from Rutherford's gold foil experiments?

• atoms are made of smaller subatomic particles

• electrons exist in distinct energy levels

• atoms have mass concentrated in a tiny, positively charged nucleus

• electrons can exist as both waves and particles

In most models of the atom, electrons exists where?

• in the nucleus

• orbiting around the nucleus

This model is known as the Nuclear model because it is the first model with a/an _____________.

• neutrino

• neutron with no charge

• electron with negative charge

• nucleus containing all positive charge and most of the mass

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This is a Bohr model. Bohr was the first to show that electrons in an atom are found in different ___________.

• orbits

• nuclei

• electron clouds

• plum puddings

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NGSS.MS-PS1-1

Schrodinger's Quantum Mechanical model is the most complicated. He called the places where electrons are most likely to be found _________.

• nuclei

• orbitals

• energy levels

• karaoke bars

According to the latest atomic models, how do electrons move?

• They move around the nucleus in a hyperactive "spazzy" manner.

• They stay still inside the nucleus

• They follow nice neat orbits, like the planets around the sun.

Which model of the atom is the most current model?

• Dalton's Model

• The Plum Pudding Model

• The Bohr Model

• The Quantum Mechanical Model

• The Nuclear Model

Which scientist saw the atom as a solid sphere?

• Dalton

• Thomson

• Rutherford

• Bohr