What is the empirical formula of a compound with 35.94% aluminum and 64.06% sulfur? A. AlS B. Al4S6 C. AlS2 D. Al2S3 E. AlS3

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

Draw metallic bonding if two copper

The fact that the total amount of energy in a system remains constant is a(n)