To predict the approximate energy release of fission or a fusion reaction, explain how a physicist uses a table of nuclear masses in the equation e equals mc squared

What does x represent in the formula for the compound xcl4?

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

What material does not melt at any temperature