Hydrogen reacts with an element to form a compound. Which element would have the most valence electrons and also be able to react with hydrogen? oxygen chlorine neon nitrogen

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.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent