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CRIntSciAtomsVocab
CRIntegratedScienceAtomsVocabulary
| Question | Answer |
|---|---|
| the smallest part of an element that has all of an element’s properties | atom |
| smaller parts that make up an atom | subatomic particles |
| positive subatomic particle found in the nucleus | proton |
| subatomic particle in the nucleus that has no charge or is neutral | neutron |
| negative subatomic particle that is found around the nucleus | electron |
| tells the number of protons in each atom of an element | atomic number |
| tells the total number of protons plus neutrons in the nucleus of an atom | mass number OR atomic mass |
| center of an atom where most of its mass is found | nucleus |
| positive protons attracted to negative electrons; force that holds an atom together | electric force |
| atoms of the same element that have different numbers of neutrons, and therefore, different masses | isotopes |
| region in an atom where electrons are likely to be found | orbital |
| an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties | valence electron |
| lowest state of energy of an electron | ground state |
| any energy state of an electron that is higher than the ground state | excited state |
| unit or quantum of light that is given off by an electron when it falls to a lower energy level | photon |
Created by:
CRMissK
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