Which statement describes how the bond between two oxygen atoms is formed?

by sharing valence electrons with many other atoms

by the repulsion between ions of like charges

by the attraction of two oppositely charged ions

by sharing valence electrons between the two atoms

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =