Which statement is true about the equation? A. The equation is missing products.

B. The equation is missing reactants.

C. Energy was released.

D. Energy was absorbed.

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Matches the chemical name of each oxide of phosphorus to its chemical formula

Label a-f based on the table using c for concentrated and d for dilute