Liquid a has a density of 20 mg/ml and a volume of 5 mL. What is the mass of the liquid in grams

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

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