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Chemistry (1) > Atomic structure and the periodic table > Flashcards

Atomic structure and the periodic table Flashcards

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1
Q

What is an element

A

Substance made up of only one type of atom

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2
Q

What is an isotope

A

Atoms of the same element with different numbers of neutrons

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3
Q

Explain Rutherford model

A

The alpha scattering particle dash most alpha particles went straight through meaning atom mostly empty

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4
Q

Explain Bohr’s model

A

Electrons in the shells orbiting the nucleus

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5
Q

Explain Chadwicks discovery

A

Discovered the neutron

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6
Q

What is the mass of the particles in the atom

A

Proton - one, neutron - one electron -very small

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7
Q

What is the mass number represent

A

Number of protons and neutrons

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Chemistry (1) (3 decks)

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