NLN Pax RN Basic Chemistry Vocabulary
MATTER Atomic Structure, Isotopes, Ions, and the Periodic Table CORRECT ANSWER a substance that has mass and occupies space. SUBSTANCE Atomic Structure, Isotopes, Ions, and the Periodic Table CORRECT ANSWER matter that has the same composition and properties throughout ELEMENT Atomic Structure, Isotopes, Ions, and the Periodic Table CORRECT ANSWER any substance that cannot be broken down into simpler substances. Identified by its symbol and its atomic number. ATOMIC NUMBER Atomic Structure, Isotopes, Ions, and the Periodic Table CORRECT ANSWER is equal to the number of protons found in the nucleus. MASS NUMBER Atomic Structure, Isotopes, Ions, and the Periodic Table CORRECT ANSWER number of protons and neutrons (nucleons) in the nucleus of an atom ISOTOPE
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