An element is a pure substance. Which of the following is used to represent an element?

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.