Ineed the question in my science book. imagine you’re a sports-caster. write a commentary describing each of the “tug-of-war” matchups below.
round 1: hydrogen (h2)

round 2: hydrogen fluoride (hf)

thats a little if u want the answer just look it up on google thats what i do haha : )

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year