Ionic compounds and Metals: Mastery Test

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

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

One does not belong why? ice, gold ,wood ,diamond and table salt