(choose the best answer) How does each cell receive food? A. cells pass through the blood stream
B. blood passes through each cell
C. food is absorbed through the plasma membrane
D. none of the above

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

Give the orbital configuration of the phosphorus (p) atom.

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.