【简答题】I. Match ing A ( )1. Thank you so much for ( )2. You were so kind to ( )3. It was thoughtful of you to ( )4. I would like to thank you for taking the time to B (a) invite me to your birthday pa...
【多选题】Classify each of the following solid elements as molecu lar, metallic , ionic, or covalent network. a. tin, Sn b. germanium, Ge c. sulfur, S 8 d. iodine, I 2