Please help with these questions​

It would be black I think because black increased 2O degrees of temperature making it absorb a lot of radiation.  

Also black because dark colors absorb more light energy since they don't reflect the light. It's like it falling into a black hole.

i don't know people like to fight everywhere rip.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.