A compound ACI3 (A is an element) has a melting point of –112 °C. Would you expect the compound to be molecular or ionic? If you were told that A is either scandium or phosphorus, which do you think is the more likely choice?

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

Name the element in group 17, period 2. (periodic table)

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.