In what way does the arrangement of the periodic table tell you information about the elements? a. elements near each other generally have the same color. b. the placement of an element tells you about the reactivity of the element. c. elements are placed in rows based on how many valence electrons they have. d. the placement of an element tells you how many isotopes it has.

In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.