Form a hypothesis to explain why Dalton's symbols for elements are no longer used.?​

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

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.

How many moles of oxygen react with 12 moles of aluminum