<span>From the above given choices :
melting is an endothermic process</span>
Iconic +covalent is the answer to this
The answer to your question is false, boiling happens below the surface of a substance.
Answer:
2 Na + 1 Cl2 -> 2 NaCl
Explanation:
The answer is really simple, because if you have 1 nonmetal element that has a subscript of 2, you need to multiply the product and the first reactant by 2 to balance it.