Examlex
One of the community members says he heard nuclear power comes from a nuclear reaction where atoms are combined together.Is he correct?
Third Energy Level
The third energy level in an atom is the third shell that surrounds the nucleus, where electrons can be found.
Protons
Positively charged particles found within atomic nuclei that, along with neutrons, define the atomic mass.
Electrons
Subatomic particles with a negative charge, orbiting the nucleus of an atom and involved in chemical bonds and electricity.
Hydrogen Bonds
Weak bonds that form between a hydrogen atom in one molecule and a more electronegative atom, such as oxygen or nitrogen, in another, playing critical roles in the structure of DNA and proteins.
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