In the following compound (NaCl), can you please tell me the following: Is it an ionic or covalent compound?
How many valence electrons does Na have?
How many valence electrons does Chlorine have?
How many electrons are gained and lost by each atom

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.