Granite has a specific heat of 800 J/g∙°C. What mass of granite is needed to store 950 J of heat if the temperature of the granite is to be increased by 15 °C?

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

the answer for sodium is 0.186

the answer for rubidium is 0.251

put the answers   and i could answer.

2b2t

explanation:

2b2t