Hydrogen, in the form of liquid deuterium and tritium isotopes. The test shot was the 1952 Ivy Mike device.
The element first used for fission in an atomic bomb is uranium.
One of the first technologies employed after an explosion is an Ion Mobility Spectrometer (IMS). This device can be used in a mobile lab to help determine the type of explosive that was used.
Potassium is the element that used to be first to make fertilizer.
Now is considered that Plato used for the first time the word element.
The first bomb exploded, the Trinity test bomb, used plutonium. The first bomb deployed, dropped on Hiroshima, used uranium 235. The second bomb deployed, dropped on Nagasaki, used plutonium 239.
Nitrogen.
Nitrogen.
The first element in the fourth period, which is used in making fertilizer, is potassium.
This chemical element is potassium (K).
The name of the first scientist who used the term element was Johan Gadolin in the year 1760.
Lithium
potassium