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classifyng elements
Vocabulary
Term | Definition |
---|---|
proton | is the center of the atom |
electron | goes around the atom |
atomic number | number of protons in a atom |
molecule | a particle that has more than one atom joined |
metals | a substance that conducts heat and electricity well |
nonmetals | a substance that conducts heat and electricity poorly |
noble gases | helium, neon, argon, krypton, xenon, and radon |
metalloids | small group of elements that have a bit of metal |
periotic table | arranges all known elements |