Fill in the blank to complete each statement about measuring an earthquake's magnitude.
The
scale is best used to measure the strength of small, nearby earthquakes.
The
magnitude scale is useful for measuring the strength of earthquakes of all sizes and at all
distances from a seismograph.

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

What happens when an acid dissolves?

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.