Determine the Mass Number of the Following Elements: Al - 13 Protons 15 Neutrons

B - 5 Protons 6 Neutrons

C - 6 Protons 8 Neutrons

Sc - 21 Protons 25 Neutrons

Na - 11 Protons 13 Neutrons

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

If i add water to oil what will happen