In a chemical equation, the number of atoms for each element on the raw material(reactants) side isthe number on the products side.

A. It depends on the reaction
B. Equal to
C. Less than
D. More than

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring