Which measurement of length is the smallest?

a. 9 * 10 ^-6
b. 7 * 10^-5
c. 7 * 10^1
d. 9 * 10^2

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.