According to the valence bond theory, a triple bond in C2H2 consists of: A. 1.5 sigma bonds and 1.5 pi bonds B. two sigma bonds and one pi bond C. one sigma bond and two pi bonds D. three sigma bonds E. three pi bonds

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166