Explain the difference between the following three substances: carbon
c. , carbon dioxide (co2), and oxygen (o2)

Positrons are spontaneously emitted from the nuclei of

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Two atoms with different mass number but the same atomic number are called a) elements. b) ions. c) isotopes. d) nuclei.