Using your knowledge of properties of matter, choose the correct description: Question 3 options: physical prop. are luster, color & reactivity Chemical prop. are conductivity, flammability & reactivity Chemical prop. are tarnishing, flammability & reactivity physcial prop are malleability, conductivity & rusting

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins