What type of ions are electrons colliding with to cause resistance in a circuit?
a. metalloids
b. metallic
c. gases
d. non-metallic

What occurs during a combustion reaction

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?