It hasn't been replaced with anything, just improved upon by variants.
The 'Atomic Bomb'.
The atomic bomb has been replaced by the nuclear bomb. This type of weapon was first developed by the US in the early 1950's. Soon afterwards, the Soviet Union also created their own style of nuclear weapons and bombs.
plutonium + weapon
An atomic bomb is a type of nuclear weapon that releases energy through nuclear fission (splitting of atomic nuclei). Nuclear weapon is a broader term that encompasses atomic bombs, as well as hydrogen bombs which release energy through nuclear fusion (combining atomic nuclei).
There is no evidence, the bomb was dropped as a war weapon.
This nuclear weapon is called an atomic bomb or a nuclear bomb
An atomic weapon unleashes the power of the sun.
The Atomic Bomb.
Too many to list.
A nuclear bomb or atomic bomb
The Atomic bomb.
Probably the atomic bomb