How much work (in J) is done to a ball that is kicked 12 m in the air. The ball weighs 250 g.

What effect might melting sea ice have for people who live in coastal areas?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions