Ldentify the atom whose nucleus is
composed of 56 protons and 82
neutrons.

The minerals found in bones are deposited by living cells called

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.