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• Atomic Mass Unit (amu) • metric unit to measure the mass of VERY small objects (particles) • a unit to measure the mass of atoms
Subatomic Particles Name Protons (p or +) Neutrons (n) Electrons (e - ) Charge +1 No charge -1 Location in nucleus in nucleus in shells around nucleus Mass ≈ 1 amu ≈ 1 amu ≈ 2000 x smaller “Job” Determines identity of element Supplies proper mass to hold nucleus together Determines bonding/ how it reacts Number
Page 1 and 2: Atomic Structure and the Periodic T
Page 3: • nucleus • small, dense center
Page 7 and 8: # of protons • atomic number •
Page 9 and 10: • atomic mass (weight) • decima
Page 12 and 13: Free Write • What do you know abo
Page 15 and 16: Periodic Table • columns • call
Page 17 and 18: Column 1 • alkali metals • want
Page 19: Bonding • atoms achieve a stable
Page 23 and 24: Metallic Bonding • Each atom dona
Page 25 and 26: Metallic Bonds: Mellow dogs with pl
Page 27: Ionic Bonds: One big greedy thief d
Page 30 and 31: Covalent Bonding (Ceramics)
Page 32: Polar Covalent Bonds: Unevenly matc

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