How many sigma and how many pi bonds are in an ethyne molecule c2h2?

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid