Which property of an atom's structure was used to organize the periodic table? question 1 options: a) atomic number b) number of electrons in the outer shell c) both a and b

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

How many miles of water are produced if 5.43 mol pbo2 are consumed

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?