Atomic Theory Quiziz

Which subatomic particles are missing from Daltons model?

• electrons

• protons

• neutrons

• all of the subatomic particles are missing

Tags

NGSS.MS-PS1-1

Which subatomic particle did JJ. Thomson discover?

• Proton

• Neutron

• Electron

What did Bohr's atomic theory model look like?

• A ring with gold foil in the middle.

• Electrons orbiting the nucleus like the planets around the sun.

• A cloud of electrons floating around the nucleus.

• A scoop of chocolate chip ice cream. It had electrons scattered within a ball of positive charge.

The cloud model is what we use for the atomic theory now. What does the cloud model look like?

• A ring with gold foil in the middle.

• Electrons orbiting the nucleus like the planets around the sun.

• A cloud of electrons floating around the nucleus.

• A scoop of chocolate chip ice cream. It had electrons scattered within a ball of positive charge.

Tags

NGSS.MS-PS1-1

What did Rutherford discover about atoms?

• An atom is always negatively charged.

• An atom is mostly empty space, but has a dense positively charged center(nucleus).

• An atom is always positively charged.

• All particles will pass straight through gold foil with no change in path.

Which scientist discovered the electron and proposed the model above (which looks like a chocolate chip cookie)?

• Dalton

• Thomson

• Rutherford

• Bohr

Tags

NGSS.MS-PS1-1

Which scientist discovered the nucleus from his gold foil experiment?

• Dalton

• Thomson

• Rutherford

• Bohr

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Which scientist developed this model?

• Dalton

• Thomson

• Rutherford

• Bohr

John Dalton stated:

• elements are made of atoms
• atoms of a given element are identical
• atoms cannot be subdivided, created, nor destroyed
• all of the above

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"Everything is composed of atoms" was stated by:

• Democritis
• Dalton
• Moseley
• Einstein