If you add a proton to an atom, what will happen?
The atomic weight will change
The atomic number will change
The element's identity will change
All of the above
If you had a choice between copper and carbon wires to build an electrical circuit, which would you pick and why?
Copper, because metals are good conductors of electricity.
Carbon, because nonmetals are good conductors of electricity.
Copper, because nonmetals are good conductors of electricity.
Carbon, because metals are good conductors of electricity.
If you needed a substance to fill up a balloon with so it can float, which of the following would be a viable option?
Nitrogen
Magnesium
Uranium
None of the above
