How many electrons with the following element need to lose to have a full outter shell 1. Na
2. Li
3. Mg
4. k
5. cs
6. AI​

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

c, liquids evaporate, creating a gas

1 is the answer to this problem