What was different about the atomic theory proposed by niels bohr? A positively charged nucleus in the center of the atom electrons energy levels related to their orbits The addition of electrons to orbit the nucleus The atoms mass was limited to the center of the atom

If a || b and e || f, what is the value of y ?

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k