D. both a
5. It dissolves more substances than any other?
a. sugar
b. salt
c. water
d. pebble

What are the percent by mass of copper in penny lab

As you move from right to left on the periodic table the atomic radius fill in the blank

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.