plutonium-238 (note the different isotope)
potassium
Zinc
the definition of an element is a useful resource that we use in our daily life an example such as oxygen if we did not have oxygen we would die
Nitrogen is an element, it does not separate smaller than nitrogen atoms, unless you consider subatomic particles to be useful,
Yes, sulphuric acid is a very useful chemical. It can be used to manufacture fertlilsers (superphosphates) and is also used as a battery acid in cars.
plutonium-238 (note the different isotope)
If the battery is useful for anything its portability.
does uranium rust
No merc is not in a car battery
chlorine
zinc
potassium
Iron.
Zinc (Zn)
a lemon battery generates electricity.a lemon battery can help the society in terms of electricity. the lemon battery can be used in a sudden brown out then it will be fun to do and also it is useful
Zinc
Antimony