The element iridium has two naturally occurring isotopes, and , with an average atomic mass of 192.217 u. Iridium is 62.70% , and the atomic mass of is 192.963 u. Calculate the atomic mass of .

What effect might melting sea ice have for people who live in coastal areas?

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?