1. Complete the following table. Element
Atomic
#
Atomic
Mass
Protons Neutrons
Electrons
O
8
8
8
19
9
9
I
9
187 -1
9
18
10
9
2. Mg
+2
12
9
19
10
(full atomic symbol
Toni
for the shove table that is an ion Explain how the ion is the same and how

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering