a lake in california contains about 8,500,000,000,000 gallons of water. how can this number be written in scientific notation?
85.0x1011
8x1012
8.5x1011
8.5x1012

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What is the percentage composition of carbon in the compound ch4

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.