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GCSE Physics Year 11 > GCSE-AtomicStructure15 > Flashcards

GCSE-AtomicStructure15 Flashcards

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1
Q

In the plum-pudding model of the atom, the negative electrons are …?

A

embedded in a positive sphere

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2
Q

The lightest Hydrogen Isotope

A

Protium ¹H₁

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3
Q

The second-lightest Hydrogen isotope

A

Deuterium ²H₁

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4
Q

The heaviest Hydrogen isotope

A

Tritium ³H₁

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5
Q

Isotopes of the same element have the same number of…?

A

protons

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6
Q

Isotopes of the same element have different numbers of…?

A

neutrons

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7
Q

The Bohr-Rutherford model of the atom pictures all of its positive charge and most of its mass in the…?

A

nucleus

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8
Q

The Bohr-Rutherford model of the atom pictures the electrons in allowed orbits …?… the nucleus.

A

outside

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9
Q

The atomic mass number of a proton is …?

A

1

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10
Q

The charge of a proton is…?

A

1

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11
Q

The atomic mass number of an electron is …?

A

0

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12
Q

The charge of an electron is …?

A

-1

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13
Q

The charge of a neutron is…?

A

0

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14
Q

The atomic mass number of a neutron is …?

A

1

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15
Q

The particles directed at a target in the Rutherford Scattering experiment

A

Alpha

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16
Q

The target in the Rutherford Scattering experiment

A

thin Gold foil

17
Q

The fact that most Alpha particles were undeflected proved that the nucleus was very …?

A

small

18
Q

The fact that some Alpha particles were deflected back proved that the nucleus had a large …?

A

mass

19
Q

The fact that the Alpha particles were repelled by the nucleus proved that the nucleus was …?

A

positively charged

GCSE Physics Year 11 (14 decks)

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