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Answer:
ATNOS
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Periodic table figs.
Chem. class figures
1 for H and 2 for He, e.g.
They go from 57 to 71 in the lanthanide series: Abbr.
Proton counts: Abbr.
Periodic law figs.
Element info: abbr.
B and O figures: Abbr.
92 for U and 53 for I: Abbr.
7 for N, 8 for O, etc.