Which of these is a chemical property of aluminum?Aluminum has a density of 2.70 g · cm−3Aluminum is silvery white in color.Aluminum is highly reactive.Aluminum is a soft metal.
Hydrogen is very reactive with most elements. [___]
chemical
Hydrogen is the least dense of all elements. [___]
physical
Determine which type of property each statement describes by typing “physical” or “chemical” in the blank.
Which of these are physical changes in matter? Check all that apply.boiling watera pencil being sharpenedexploding dynamitefreezing waterrotting cheese
Which of these are chemical changes in matter? Check all that apply. mixing lemonade powder in waterbleaching your hairmowing the lawnlighting a matchletting fruit rot
Hydrogen is a colorless, tasteless, and odorless gas.
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