Matter and Radiation

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  • Created by: shanade08
  • Created on: 12-09-13 20:06
What does rutherfords model of the atom include?
;a nucleas containing protons+neutrons. ;inner and outer shell containing electrons.
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What does an isotope include?
An isotope has the same nnumber of protons (atomic number), but a different nucleon number (mass number).
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what is above the element (number wise)?
mass number (nucleon number) which is protons and neutrons.
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what is below the element (number wise)?
the atomic (proton) number.
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what is specific charge?
particle charge/mass. (CKg-1)
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what is the charge of a single nucleon?
1.6X10-19 C
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what is the mass of a single nucleon?
1.67X10-27 Kg
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what is the charge on a proton?
positive.
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what is the charge of a neutron?
neutral.
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What is the charge of an electron?
negative.
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when finding the charge of a nucleon what do you multiply it by?
the proton number.
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when finding the mass of a nucleon what do you multiply it by?
the mass number.
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what are the 4 forces in the universe?
Gravity, Electromagnetic, Strong nuclear and weak nuclear.
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what does the nuclear strong froce overcome?
the electromagnetic repulsion force between protons.
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what is the attractive range between protons?
0.5-4fm (5X10-16m - 4X10-15m)
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What does an alpha particle consist of?
2 protons + 2 neutrons.
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what does the element lose through alpha decay?
2 protons + 2 neutrons.
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What happens in beta-minus decay?
One neutron turns into a proton and an electron, this is electron leaves the atom.
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what happens to the element numbers after beta-minus decay?
you add one to the bottom number (atomic number
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Other cards in this set

Card 2

Front

What does an isotope include?

Back

An isotope has the same nnumber of protons (atomic number), but a different nucleon number (mass number).

Card 3

Front

what is above the element (number wise)?

Back

Preview of the front of card 3

Card 4

Front

what is below the element (number wise)?

Back

Preview of the front of card 4

Card 5

Front

what is specific charge?

Back

Preview of the front of card 5
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