QUESTION 4
Balance this chemical equation. A H2S + B Ag ---> C Ag2S + DH2

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Which other elements contain the same number of outer electrons as sodium

What are transitions between a liquid and a solid called? identify which way they are transitioning