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For the missing product X in the reaction
neutron + U →
Ba + X + 3 neutrons
determine the atomic mass and atomic number of X,and write X in the standard form.It is NOT necessary to identify which atom X is.
Menarche
A girl’s first menstruation.
North American Newborn
An infant born in North America, often referring to the health, social, and environmental aspects specific to this geographic region.
Puberty
A period of rapid physical maturation involving hormonal and bodily changes that take place primarily in early adolescence.
Physical Maturation
The process of bodily growth and development, particularly the changes experienced during puberty that lead to a mature adult body.
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