How many atoms of H2CO3 are there in 2.25 moles of H2CO3?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these