Which of these statements does not describe a carbon atom? a. carbon is a metallic element. b. carbon has four valence electrons. c. carbon has a total of six electrons. d. carbon forms bonds with many different types of atoms.

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

Calculate the number of molecules present in 0.750 mol of mgo.

What energy is it when you flip on a switch on a lamp