In the diagram, 91 -2,00 x 10-6 C, 92" *3.80 x 106 C, and 43 - +5,30 x 10-5 C,
What is the electric potential energy Ue for
charge 42? Include the correct sign (+ or -),
91
92
93
1.15 m
2.88 m
* 에
(Remember, energy is NOT a vector) (Unit = J)
Joules (5)

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

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.

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !