What number should be placed in front of LiCl to balance this chemical equation?
2Li + MgCl2 → _LiCl + Mg

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 metal exist in liquid state and can be cut with knife ?

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5