P4 + Cl2 = PCI3 Calculate how many grams of phosphorus that reacted if 250g of phosphorus trichloride, PCI, is produced by the above reaction. ​

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

How will the emission of an alpha particle affect the atomic number of an atom

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.