Explain what happens to the pitch of a cell phone ring when the wavelength of a sound wave increases. justify your reasoning using complete sentences and key vocabulary.

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is the mass of sodium in 3 moles of sodium chloride

What is the mass of 8 moles of sodium atoms