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Fill In The Blank: In CH4 and H2O, the ______1____ electron groups on the central C...

Fill In The Blank:

In CH4 and H2O, the ______1____ electron groups on the central C and O atoms have a _____2_____ arrangement. In this case the shapes of the molecules are determined by the number of ______3_____ : CH4, with _____4______ bonded atoms, has a ______5______ shape, whereas H2O, with ______6___ bonded atom(s) and ______7_______ lone pair(s) of electrons, has a ____8_______ shape.

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