Mass/Moles of Atoms
- Created by: Rebeccaellis17
- Created on: 04-04-15 11:19
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- Atomic Number
- Mass/Moles of Atoms
- Mass Number
- Total mass in the atom (Protons and Neutrons both have a mass of 1)
- Electrons mass is very small/0
- Total mass in the atom (Protons and Neutrons both have a mass of 1)
- Relative Atomic Mass
- The mass of an element in grams also = 1 Mole
- Eg. Carbon R.AM. = 12
- The mass of an element in grams also = 1 Mole
- Relative Formula Mass
- The total R.A.M. added up in a substance or compound
- Eg. CO2 Carbon=12 Oxygen=(16x2) 32+12=44
- The total R.A.M. added up in a substance or compound
- Mass Number
- Amount of matter in the atom (Protons) in an element but also number of electrons
- Mass number minus Atomic number = number of neutrons
- Mass/Moles of Atoms
- An isotope is the same element with the same number of protons but a different number of neutrons
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