Answer:
half-life of 5,700 ± 40 years
Explanation:
Answer:
In atomic physics and quantum chemistry , the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s 2 2s 2 2p 6, using the notation explained below.
Explanation:
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Kinetic energy is the correct answer for this question
The valence electrons should be the correct answer