Match the atoms which might substitute for one another. match the items in the left column to the items in the right column.

1. si a. na
2. k b. v
3. nb c. c
4. cu d. ag
5. p e. ca
6. mg f. as

Chromosome 17 is made of over million base pairs.

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

The molecular weight of carbon dioxide, co2, is 44.00 amu, and the molecular weight of nitrous dioxide, no2, is 46.01 amu, so no2 diffuses co2