2. using the following data, calculate the average atomic mass of magnesium gre
your answer to the nearest .01 ) : show all work!
isotope: , mg percent abundance: 78.70%.
isotope: 7 mg
percent abundance:
10.13%.
isotope: mg
percent abundance:
11.17º6.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

How can one make a supersaturated solution? (apex)