Â© Ted French. Definition: A function is a preset formula in Excel and Google Spreadsheets. Like formulas, functions begin with the equal sign (=) followed by the function's name and its arguments. The function name tells Excel what calculation to perform. The arguments are contained inside round brackets.
Best Answer: Look for molecular symmetries. Symmetrical molecules such as methane, carbon dioxide, carbon disulfide, and borane (BH3) are nonpolar. Asymmetric molecules such as water, ammonia, and acetone are polar.
Phospholipids, a type of lipid, has a polar phosphate group and two fatty acids which are non polar. Yes, in fact quite a few molecules have both regions. Phospholipids, a type of lipid, has a polar phosphate group and two fatty acids which are non polar.