A solution has a [H+l] concentration of 8.99 x 10-4M. Calculate the concentration of [OH-] and determine if this solution is acidic or basic.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

Match the following items. match the items in the left column to the items in the right column. 1. 1/1,000 precision 2. uncertainty value of measurement milli- 3. 1,000 accuracy 4. instrument to measure volume balance 5. degree of exactness of a measurement centi- 6. instrument to measure mass graduated cylinder 7. correctness of a measurement ± value 8. 1/100 kilo-

1. which of the following is an si base unit for time? (2 points) decades hours minutes seconds 2.which of the following tools should a scientist use to measure an object in milligrams? ( graduated cylinder pan balance tape measure thermometer 3. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli