How many elements are present in each of the following HF and. Hf ii) Co and CO iii) Si and SiO2 iv) PoCl2 and POCC3. Plzzz answer briefly.
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Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

What is the vapor pressure of a solution with a benzene to octane?