The bond that is formed when one ion donates an electron and another ion accepts the electron is called a(n)

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

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.