What is the average atomic mass of silicon given the following abundance information on the isotopes of silicon? [Si-28 (mass 28 amu) has an abundance of 92.21%]
[Si-29 (mass 29 amu) has an abundance of 4.70%]
[Si-30 (mass 30 amu) has an abundance of 3.09%]

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Which feature do highland climates have that lower elevation areas do not?

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li