(03.02 LC) Which of the following is a characteristic of science?
A. It cannot be repeated.
B. It asks questions that cannot be tested.
C. It is done by only one scientist at a time.
D. It uses data and observations to make conclusions.

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Complete each row of the table below by filling in the missing prefix or missing exponent.

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride