Which statement best describes an atom's structure? A. negatively-charged particles surrounded by a positively-charged cloud B. positively-charged particles surrounding a neutrally-charged center C. negatively-charged particles surrounding a positively-charged center D. positively-charged particles surrounded by a neutrally-charged cloud

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions