What is the name of the molecular geometry (shape) for this Lewis Structure? (A) bent
(B) trigonal pyramidal
(C) trigonal planar
(D) tetrahedral

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How can parts of a solution be separated by chromatography?

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?