What is a control? a variable or variables that you must keep constant during an experiment

a variable or variables that you manipulate during an experiment

a variable or variables for which you cannot account

a variable or variables that change with the independent variable

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.