What is the percent composition by mass of nitrogen in the compound NH3 (gram-formula mass - 17 g/mol)? A.18%
B.25%
С.75%
D.82%

What overall charge must all compounds have

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.