Template:Infobox element/symbol-to-saw/calc-number-of-decimals/doc

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Returns number of decimals in atomic weight. Uncertainty is discarded. Used: when doing crude molar mass calculation (see {{Chem molar mass}}).

Returns: the lowest number of decimals in a formula.

For starters: (Jan 2019): single element.

Atomic weight values used:

1. When interval: conventional, abridged value.

2. When single number value: standard atomic weight (unabridged).

3. When no stable isotope: mass number (0 decimals).

Uncertainty, noted as 58.6934(4) (Ni) or 1008 (H, implicit 1008(1)), is discarded (removed unused).

Usage