Chemistry, 01.01.2020 07:31 adrianaa34
When an oxygen atom forms an ion, it gains two electrons. what is the electrical charge of the oxygen ion?
a.
+2
b.
-1
c.
+1
d.
-2
Answers: 1
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Displacement is the slope of a velocity vs. time graph a. true b. false
Answers: 1
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Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
When an oxygen atom forms an ion, it gains two electrons. what is the electrical charge of the oxyge...
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