On september 11th, 2001, terrorists from what group attacked the united states?
a. red guard
b. al-qaeda
c. national liberation army
d. morzanist patriotic front

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

How are isotopes of the same element alike?