Determine the number of moles of phosphorus contained in 1.86 × 10^24 atoms of phosphorus. ___?___ moles P

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

The three types is stress that act on earths rocks are compression, tension, and