Which of the following represents a compound? a. cl2 b. n2 c. co2 d. h2 user: which of the following represents an element? a. co2 b. co c. h2o d. n2

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table