Do Now 1)Calculate the density of an unknown substance that weighs 2.5 grams and takes up 3.5 mL. 2)What volume of gold weighs 0.2 kg when the density.

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Presentation transcript:

Do Now 1)Calculate the density of an unknown substance that weighs 2.5 grams and takes up 3.5 mL. 2)What volume of gold weighs 0.2 kg when the density of gold is g/mL.

Objective I CAN differentiate between a solid, liquid, and gas by describe the differences between the particle spacing and intermolecular forces.

Solids, liquids, gases

Significant Figures

Significant Figures math (3.3 x cm) x (0.005 cm) = ?? g g = ?? m x m = ??

Conversions 450 km = ?? Nm 5 Gm = ?? Pm 20 cm = ?? km