HELP For each of the following pairs of elements predicts whether they will form a bond that is primarily ionic or one that is primarily covalent. Explain your answers.
lithium (Li) and oxygen (O):

chlorine (Cl) and fluorine (F):

calcium (Ca) and sulfur (S):

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90