Which of the following are likely to form an ionic bond? 1) copper atoms 2) hydrogen atoms 3) hydrogen and oxygen atoms 4) copper and fluorine atoms

How to convert a density of 0.791g/cm3 to lb/ft3

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

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum