Calculate moles of zn(no3)2 in 143.50g of this substance

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

  the mississippians were considered to be  horticulturalists, which means they were

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.