A clear liquid from a flask is poured into another clear liquid in a beaker. How do you know a new substance was formed

Predict the products butane (c4h10) + oxygen —>

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.

Which other elements contain the same number of outer electrons as sodium