2 Which properties of metals are important in each of these examples? Copper is used for electrical wiring.
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b
Gold is used for making jewellery.
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Aluminium is used to build aircraft.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

How many atoms are there in 5.70 mol of mg

Displacement is the slope of a velocity vs. time graph a. true b. false