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Ch. 2 Atoms
Question | Answer |
---|---|
Atoms | Smallest unit of an element |
Protons | Have +1 charge, Same mass as a neutron |
Protons 2 | Number of protons is given by the atomic number |
Neutons | Have no charge, Same mass as a proton |
Electrons | Have a -1 charge |
Isotopes | Is denoted by putting a superscript with the mass number to the L of the atomic symbol |