Methane (CH4) - Methane is the simplest hydrocarbon with the molecular formula CH4. In view of the coronavirus pandemic, we are making LIVE CLASSES and VIDEO CLASSES completely FREE to prevent interruption in studies The central carbon in the compound is sp3 hybridized, meaning that one s and three p orbitals “hybridize” to form four resultant sp3 orbitals. Remember that hydrogen atoms always go on the outside of a Lewis structure and that they only need two valence electrons for a full outer shell. In NH3 and H2O there are 1 and 2 lone pairs, respectfully, so more repulsion exists between the bond and lone pairs, as a result, the bond angels are less than 109.5. What is CH4's molecular shape? CH4 (methane) has tetrahedral molecular geometry. The position of the terminal atoms in a triangle minimizes the electrostatic repulsion of the valence electrons in the terminal atoms’ outer shells. Step 1: Draw the Lewis structure for CH 4 using the “easy” method where you calculate the total valence electrons in the molecule to determine the Lewis structure.. C: 4 H: 1×4=4. Drawing the Lewis structure for CH 4 (named methane) requires only single bonds.It's one of the easier Lewis structures to draw. Finding CH 4 molecular geometry using VSEPR theory is not very difficult using these three steps.. CHCl3 and CH4 have the same tetrahedral shape. CH4 has no lone pairs of Electrons on the central atom so the optimal molecular shape would be tetrahedral with bond angels of 109.5. Still have questions? Asked by Wiki User. 3 0. 23 24 25. 10 years ago. Methane on Wikipedia. Lv 7. Methane(CH4) has for equivalent C - H bones distributed equally in space, hence its shape is tetrahedral. Get your answers by … Back to Molecular Geometries & Polarity Tutorial: Molecular Geometry & Polarity Tutorial. Total=8. Bent Linear Tetrahedral Pyramidal? Therefore this molecule is non-polar. The main reason that both molecules have different melting points is that CHCl3 is much heavier than CH4. The electronegativity of carbon and hydrogen is 2.55 and 2.2, respectively, which causes the partial charges to be almost zero. Top Answer. See Answer. For CH 4 you have a total of 8 total valence electrons.. Which of the following is the correct molecular shape of CH4? Relevance. For homework help in math, chemistry, and physics: www.tutor-homework.com. ... if molecular shape is symmatrical then its non-polar but if it is non symmatrical then its polar. Answer Save. It is a colourless, flammable gas. 1 Answer. The molecular geometry of methane - CH 4 - is tetrahedral with symmetric charge distribution on the central atom. Drawing the Lewis Structure for CH 4. Methane, CH4 molecules are tetrahedral. Methane (CH 4) is a ... tend to take on a trigonal-planar shape—a central atom surrounded by three atoms arranged in an equilateral triangle. KeplJoey. 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