Examlex
Which element has the abbreviated ground-state electron configuration [Ar]4s23d6?
Intelligence
The capacity for learning, understanding, problem-solving, and adapting to new situations.
Identical Twins
Twins who develop from a single fertilized egg that splits into two, leading them to be genetically identical and share nearly 100% of their DNA.
Fraternal Twins
Siblings born at the same time but developed from separate eggs fertilized by different sperm cells, resulting in babies that are genetically distinct.
Franz Mesmer
An 18th-century German physician who proposed the theory of animal magnetism and is considered a pioneer in the study of hypnosis.
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