Atomic bombs use a routine called fission. They separate plutonium and/or uranium into smaller atoms in a sequence greeting that releases large amounts of energy.
The A-bombs forsaken by a US troops on Hiroshima and Nagasaki in 1945 killed some-more than 200,000 people.
Hydrogen bombs, or H-bombs use fusion, a same routine that powers a sun. In a hydrogen (thermonuclear) bomb, “heavy” isotopes of hydrogen are forced together to recover a most bigger punch — hundreds or even thousands of times some-more absolute than a usually chief weapons that have been used in warfare.