2. Which ions will form an ionic bond? A. two negative ions
B. a positive and a neutral atom
C. two positive ions
D. a positive ion and a negative ion

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

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat