Chemistry Flash cards

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  • Created by: omarfu
  • Created on: 28-11-14 09:45
Relative atomic mass
The relative atomic mass of an element is the average mass of the element's isotopes relative to one-twelfth of the mass of a carbon-12 atom.
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Isotopes
Isotopes are atom of the same atom with different number of neutrons, therefore they have different mass number
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Atomic Number Z
The atomic number is the number of protons in an atom
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Mass Number A
The atomic number of atom is the sum of protons and neutrons in the atom
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Empirical Formula
The empirical formula of a compound shows the simplest atom ratio of the elements in that compound.
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Other cards in this set

Card 2

Front

Isotopes are atom of the same atom with different number of neutrons, therefore they have different mass number

Back

Isotopes

Card 3

Front

The atomic number is the number of protons in an atom

Back

Preview of the back of card 3

Card 4

Front

The atomic number of atom is the sum of protons and neutrons in the atom

Back

Preview of the back of card 4

Card 5

Front

The empirical formula of a compound shows the simplest atom ratio of the elements in that compound.

Back

Preview of the back of card 5

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