The model below represents a unit of sodium chloride. Determine how you would make a physical model of a sodium chloride crystal that shows the arrangement of the units. Explain what materials you would use, how you would arrange them, and what they would show.

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.

Is powdered sports drink ionic or covalent ? 10pts !

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12