1. Describe the phase change of the ice if it were to be left sitting out 2. What is the word we use to describe the change occurring?

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

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?