Atoms, Ions And Molecules Flashcards

1
Q

What are the three types of radiation?

A

Gamma, beta and alpha

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2
Q

What is the radiation with a much bigger and positively charged particle?

A

Alpha

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3
Q

What type is the highest energy but not made up of particles?

A

Gamma

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4
Q

What radiation is small and made up of negatively charged particles?

A

Beta

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5
Q

What instrument makes noises and detects gamma radiation?

A

Geiger counter

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6
Q

What is the liquid scintillation counter used for?

A

It’s used to measure alpha and beta radiation

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7
Q

What can radioactive isotopes be used to do?

A

Treat diseases

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8
Q

What was a model later disproven?

A

The plum pudding model

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9
Q

What were some conclusions from the gold foil experiment?

A

Electrons move about and stay in the orbitals. Plum pudding model isn’t valid. Led to the nuclear view of atoms

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10
Q

Describe the nucleus

A

Positivity charged center of the atom, containing nearly all the mass of the atom but is about 0.1% the size of an atom and consists of both proton and neutron.

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11
Q

Why isn’t atomic number whole?

A

Isotopes

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