The metal halfnium becomes superconducting at temperatures below 0.12 K. Calculate the temperature at which halfnium becomes superconducting in degrees Celsius. Be sure your answer has the correct number of significant digits.

Which best explains why an iceberg floats?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

Draw two cyclic constitutional isomers of cis-1