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atoms in detail
Question | Answer |
---|---|
what is the relative charge and mass of a proton? | charge = 1 mass = 1 |
what is the relative charge and mass of a neutron? | charge = 0 mass = 1 |
what is the relative charge and mass of an electron? | charge = -1 mass = very small |
what is the mass number? | number of protons and neutrons |
what is the atomic number? | number of protons |
what is the plum pudding model? | it states that atoms are a ball of positive charge, with negative electrons embeded in it |