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Unit 5 CB Vocabulary
Term | Definition |
---|---|
Metals | Seek to get rid of electrons but have a full outer shell |
Nonmetals | Seek to gain electrons to have a full outer shell |
Metalloids | Seek to both gain or lose electrons on the outer shell |
Isotopes | An atom that has a different number of neutrons |
Atomic Number | The number of protons in an atom |
Atomic Mass | Number of protons and neutrons in an atom |
Atomic Symbol | An abbreviation for a chemical element |
Electrons | A subatomic particle with a negative charge |
Neutrons | A subatomic particle found in the nucleus of every atom |
Protons | A subatomic particle with a positive charge |
Elements | A substance whose atoms all have the same number of protons |
Compound | Chemical combination of 2 or more elements |
Molecule | Smallest particle, compressed of 2 or more atoms |
Chemical Formula | Expression of chemical composition of a compound |
Quarks | A tiny particle that makes up nucleons |