31. a physical property of silver is its
a. density.
b. nonflammability
c. reactivity with powerful acids.
d. none of the above

Evaluate this exponential expression,8. (2 + 3)2 – 42

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

In 2002, the rare earth elements mine in mountain pass, california was closed because