The silicon needles on new blood analyzing devices can painlessly collect samples of blood with volumes of about 100 nanoliters. how many samples of this size would fit in a conventional 5 ml hypodermic needle?

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

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.

[01.07]what is the answer to the problem: 101 g + 25.01 g + 5.05 g? 131.06 g 131.1 g 131 g 130 g