viscosity density buoyancy pressure 0.97 g/cm3 1.00 g/cm3 0.93 g/cm3 Lower density substances float on higher density substances. Pressure decreases as altitude increases. Buoyancy increases when density increases and decreases when surface area increases. 0.97 g/cm3 1.00 g/cm3 0.93 g/cm3

alcohol ice water The mass is 144 g

protons and neutrons electrons neutral

ion isotope average mass

+1 +2 +3 -3 -2 -1 metals nonmetals fluorine protons

ionic bonds covalent bonds metallic bonds

NH4Cl (NH4)2S (NH4)2CO3 Sodium bromide Sodium hydroxide Sodium phosphate NH4Cl (NH4)2S (NH4)2CO3

chemical physical chemical

Dissolving, melting, boiling, phase change, dyeing, cutting, filtering, separating, mixing Burning, gas formation, precipitate formation, rusting, corroding, tarnishing, bleaching, digesting, exploding

changes with heat and pressure melting, compaction, cementation, weathering, erosion, deposition, crystalliztion

equal equal 2 6 2 3 Zn3 (PO4)2 1184 g

universal solvent polarity dissolve

dissolves solution increased increased increased increased increased increased

50 g NH4Cl

electrolytic behavior pH acid base electrolytic behavior reactivity

electrolyte acids bases salts strong weak strong acids strong bases

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