Is carbon a metal or a nonmetal? How many valence electrons does a carbon atom have?

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon

What is the popular use of lithium batteries