Match the vocabulary word with its definition. match the items in the left column to the items in the right column.

1. mass per unit volume
inorganic
2. resistance of a material to being scratched
organic
3. compounds that contain carbon
density
4. compounds that do not contain carbon
hardness

Air can be considered a mixture. which statement does not explain why?

Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge