Which of these indicate that a chemical reaction has occurred? a.) formation of a gas. b.) boiling of a substance. c.) melting of a substance . d.) freezing of a substance.

What is the formula that this ionic compounds could form sr2+p3-o2-

Write the overall equation for the reaction for lithium battery

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.