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| Question | Answer |
|---|---|
| What is the smallest particle of an element that retains all tha properties of that element? | atom |
| Atoms of the same element with the same number of protons but different number of neutrons are called? | isotopes |
| The process in which some substances spontaneously emit radiation is called? | radioactivity |
| A neutral subatomic particle in an atom's nucleus that has a mass nearly equal to that of a proton are called? | neutron |
| wavelength | |
| frequency | |
| amplitude | |
| quantum | |
| photon |