Ionic bonds are forces that hold together electrostatic forces of attractions between oppositely charged ions. Ionic bonds have an electronegativity difference greater than or equal to 2. Covalent bonds have an electronegativity difference that is less than 2.
Answer:
B. Mixture
because air,sea water and alloy are example of Mixture
C. a chemical reaction occurred when the two liquids were mixed
Answer:
Ans: 2
Explanation:
The concentration of reactants and the concentration of products are constant.
I think the answer is B. the sum of the enthalpy changes of the intermidiate reactions
