Answer:
d
ionic bond is formed when there is transfer of electrons and is composed of a positive cation and a negative anion
We subtract the enthalpies of the reactants from that of the products:

Since this is < 0, this is an exothermic reaction.
Answer: i think its protons and electrons but it also might just be atoms because protons and electrons make atoms when there are also neutrons
Explanation:
Basic facts about sex and reproduction, as told to a child
Answer:
a measure of how acidic/base water is.
Explanation:
hope it's helpful (◕ᴗ◕✿)