Ραδιενέργεια είναι το φαινόμενο της εκπομπής σωματιδίων ή ηλεκτρομαγνητικής ακτινοβολίας από τους πυρήνες ορισμένων χημικών στοιχείων, που γι’ αυτό το λόγο ονομάζονται ραδιενεργά. Από τα περίπου 2500 νουκλίδια που είναι γνωστά στην επιστήμη, λιγότερα από 300 είναι ραδιενεργά.
Τα πιο γνωστά είναι το ουράνιο και το πλουτώνιο
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Ραδιενέργεια είναι το φαινόμενο της εκπομπής σωματιδίων ή ηλεκτρομαγνητικής ακτινοβολίας από τους πυρήνες ορισμένων χημικών στοιχείων, που γι’ αυτό το λόγο ονομάζονται ραδιενεργά. Από τα περίπου 2500 νουκλίδια που είναι γνωστά στην επιστήμη, λιγότερα από 300 είναι ραδιενεργά.
Τα πιο γνωστά είναι το ουράνιο και το πλουτώνιο