Consider an ab3 molecule in which a and b differ in elec-tronegativity. you are told that the molecule has an over-all dipole moment of zero. which of the following could be the molecular geometry of the molecule? (a) trigonal pyramidal (b) trigonal planar (c) t-shaped (d) tetrahedral (e) more than one of the above

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

Which compound contain an iron with a 3+ charge

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line