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Sci (Atoms)
Question | Answer |
---|---|
What is a definition of an isotope? | Atoms of elements that have the same number of protons and electrons but different numbers of neutrons and diff mass numbers |
When protons are equal? | Its an isotope |
When you have different number of protons | Different elements |
Atomic number = | Protons |
Protons = | electrons |
mass-protons= | neutrons |
protons + neutrons = | mass number |
Is the mass number from periodic table of isotopes? | No |