Which of the following best represents and explains the formula for a compound made from carbon and hydrogen? ch4, because four electron pairs are shared between carbon and hydrogen. ch2, because two electron pairs are shared between carbon and hydrogen. ch4, because each hydrogen contributes four electrons to the bonds. ch2, because each carbon contributes two electrons to the bonds.
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Chemistry, 22.06.2019 17:20
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.
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Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
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Chemistry, 23.06.2019 05:30
The term gas is limited to those substances that exist in the gaseous state at
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Which of the following best represents and explains the formula for a compound made from carbon and...
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