Which element belongs to the least reactive group of elements? * 1 point Neon (Ne) Silver (Ag) Carbon (C) Potassium (K)

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

Which method would be best to separate a mixture of sand and gravel