Write two forms of the conversion factor that will help convert a dozen to number of objects and number of objects to dozen.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive