Which of the following groups contains members with similar chemical reactivity?
A. C, N, O
B. Li, Be, C
C. Sc, F, Se
D. Na, K, Cs

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Find the mass, in grams, of 5.00*10^23 molecules of f2