Atomic Structure Review | Baamboozle - Baamboozle

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Where is the mass of an atom concentrated?

In the nucleus

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Describe the structure of an atom

Negatively-charged electrons in shells orbiting a nucleus made of positively-charged protons and neutral neutrons.

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What happened in the alpha-scattering experiment?

Alpha particles were shot at a piece of gold foil. Most of the alpha particles went through the gold foil, some deflected and some bounced back.

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What is the overall charge of an atom?

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Why did Mendeleev leave gaps in his periodic table?

He predicted that there were elements that existed that had not yet been discovered. He also predicted their mass and properties.

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Describe the plum pudding model of the atom

A cloud of positive charge with electrons dotted about

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What did Niel Bohr discover about electrons?

They orbit the nucleus in shells.

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What are isotopes?

Elements with the same number of protons but different number of neutrons

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What did the results of the alpha-scattering experiment indicate?

Atoms are mostly empty space, most of the atom's mass is concentrated in the centre.

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