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Sandro Rosa   Leiria, Leiria, Portugal
 
 
Ei tietoja.
Kirjautunut ulos
F3_rda 29.9. klo 7.45 
bot, stay on spawn every round
MarcusN1 12.8. klo 14.46 
cheater, wallhacker de merda
TC 17.11.2021 klo 14.30 
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░░░░Respect This Man░░░
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░░░Because he is ░░░░
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░▀▀▀ ░▀ ░░░▀ ░▀▀▀ ░░
░░░Rep+++++++++░░░░
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< blank > 15.3.2021 klo 14.26 
POG SCIENCE
Bzaina 20.9.2020 klo 14.56 

The number of protons in the nucleus is the atomic number and it defines to which chemical element the atom belongs. For example, any atom that contains 29 protons is copper. The number of neutrons defines the isotope of the element. Atoms can attach to one or more other atoms by chemical bonds to form chemical compounds such as molecules or crystals. The ability of atoms to associate and dissociate is responsible for most of the physical changes observed in nature. Chemistry is the discipline that studies these changes.
Bzaina 20.9.2020 klo 14.56 
The electrons of an atom are attracted to the protons in an atomic nucleus by the electromagnetic force. The protons and neutrons in the nucleus are attracted to each other by the nuclear force. This force is usually stronger than the electromagnetic force that repels the positively charged protons from one another. Under certain circumstances, the repelling electromagnetic force becomes stronger than the nuclear force. In this case, the nucleus splits and leaves behind different elements. This is a form of nuclear decay.