Answer: ATNO

AnswerCrossword Clue
ATNOWords before expense or time
ATNO5 for B or 6 for C, e.g.
ATNO1 for H, e.g.
ATNO12 for Mg or 20 for Ca, e.g.
ATNO7 for N, e.g.
ATNO8, for oxygen: Abbr.
ATNO"... .. additional cost to you!"
ATNOElemental ID
ATNO"... .. additional cost!"
ATNOOxygen's 8: Abbr.
ATNO"... extra cost!"
ATNO13 for Al, e.g.
ATNO... extra cost
ATNOIt's 13 for Al
ATNOPeriodic table datum, briefly
ATNO... cost (free)
ATNO79, for Au
ATNOIt's 1 for H
ATNO"... cost to you!"
ATNOPeriodic-table stat.
ATNOMd or Rn fig.
ATNO92 for U, e.g.
ATNO... time (never)
ATNO".. added expense"
ATNO".... time" (never)
ATNOWhat various elements of this grid become in their crossing entries: Abbr.
ATNO"... ... extra cost to you"
ATNOPeriodic table stat.
ATNOElement's ID
ATNO.. extra cost
ATNOPeriodic table datum (abbr.)
ATNOC's is 6
ATNOPeriodic table fig.
ATNOChemical chart fig.
ATNO79 for Au or 82 for Pb: Abbr.
ATNO... time: never
ATNO2 for He, e.g.
ATNO8 for O, e.g.
ATNO19 for K, e.g.: Abbr.
ATNO46-Down's 54, e.g.: Abbr.