Examlex
When atoms of beryllium−9 are bombarded with alpha particles, neutrons are produced.What new isotope is also formed?
Recreation
Activities or experiences engaged in for enjoyment, relaxation, or leisure, often performed during free time.
Enjoyable
Providing pleasure, satisfaction, or happiness; pleasing in nature.
Premodern World
The historical period before the emergence of modernity, often characterized by agrarian-based societies and pre-industrial economies.
Recreation
Activities done for enjoyment, leisure, or relaxation, often during one's free time.
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