What behavior of light PROVES that it is a wave? Hint: will this ONLY happen because light is a wave, or could it also be true of fast moving particles? * Reflection of light
Absorption of light
Light changes speed in glass and water.
Interference between two or more light waves

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Which best describes why nh4+ can form an ionic bond with ci-?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.