What is the name of a six legged cat?

How many molecules are present in 3 mols of silicon dioxide (sio2)?

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?