A reaction produces 156 mL of carbon dioxide gas collected over water at a temperature of 25.0 degrees celsius and a pressure of 99.81 kPa. Calculate the volume of CO2 at STP.

answer: option (b) is the correct answer.

explanation:

a covalent bond is formed by sharing of electrons. whereas polarity arises due to difference in electronegativity of two atoms.

therefore, more is the electronegativity of an atom which combines with the titanium, more readily it will induce a partial positive and negative charge.

thus, out of the given options fluorine is most electronegative and has an incomplete octet. therefore, it will readily combine with titanium to share the electrons and complete its octet.  

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a