The message from the extra/missing letters in the wordplay read “sum of atomic numbers of answers treated as title could be”. The title is an anagram of NITROGEN. Nine answers could also be formed into chemical elements (as shown below), the sum of whose atomic numbers, 489, was to be written beneath the grid.
Conventions: * = anagram, < = reversal
No | Answer | Letter | Explanation |
---|---|---|---|
Across | |||
1 | MUSCADIN (scandium) | −S | CADI in MUN |
7 | CARACT | +U | CUT after (CAR + A) |
12 | OSMIDROSIS | −M | (DOCTOR’S − CT + IS IS) * |
13 | ANOA | −O | (c)ANA(l) |
14 | DEID | +F | DEF + ID |
15 | INHUMER (rhenium) | +A | INHUMA(n) + ER |
16 | ERMINE | +T | MINT in ERE |
18 | UNIONIST | −O | (UN + IST) around NI |
20 | ARTAL | +M | A + (MAT < in RL) |
21 | SENLAC | +I | (IS CLEAN) * |
23 | EVANESCE | −C | E(xam) + (A in SEVEN *) |
26 | PIGMEAT | +N | GAME * in PINT |
28 | NOCTULE | −U | ((f)ELT CON(fident)) < |
31 | TANAISTE (astatine) | +M | TAN + AI + STEM |
33 | CECITY | +B | CBE + CITY |
35 | ANENT | −E | ANT with N doubled |
36 | SHRADDHA | −R | SH + ADD + HA |
39 | ADIEUX | +S | IS in (A DEUX) |
41 | LINDANE | +O | (ONLINE AD) * |
42 | SOAK | +F | SOFA + K(ing) |
43 | ECRU | +A | (SAUCER − S) * |
44 | SANCTITUDE | −N | ACT in SUITED * |
45 | ROOTED | +S | ROOSTED |
46 | TEETERED | +W | TREE * in TWEED |
Down | |||
1 | MODIUS (sodium) | +E | MOUSE around DI |
2 | USER | −R | U(l)S(t)E(r) |
3 | SMILING | −S | MI + LING |
4 | ADORN (radon) | +T | ROD < in TAN |
5 | DROMICAL | −R | COMICAL with C moved to next letter in alphabet |
6 | IONISER | −E | (pollut)ION IS R(emoved) |
7 | CINEMA | −A | MINCE * |
8 | ASHTANGA | −T | A’ + S + HANG + A |
9 | AN MO | +E | A + OMEN < |
10 | COELACANTH | +D | COED + LAC + AN + TH(at) |
11 | TARTLETS | −A | T(u)RTLE + T(he) + S |
17 | UREMIC (cerium) | +S | SURE + M + I/C |
19 | NERO-ANTICO | −T | (OR IN OCEAN) * |
22 | LITANY | −I | L(is)T + ANY |
24 | ENTAILER | −T | (LINEAR E) * |
25 | SUITCASE | +L | (CLUE AS IT’S) * |
27 | INCREATE | −E | CERTAIN * |
29 | DEHISCE | −C | (t)HIS in DEE |
30 | MID-HOUR (rhodium) | −O | DIM < + HUR(t) |
32 | SEANAD | +U | SUE + AN AD |
34 | YANKED | +L | ANKLE in YD |
37 | AUDIT | −D | (n)A(t)U(r)I(s)T |
38 | INRO (iron) | +B | IN + ROB |
40 | LADE (lead) | −E | LAD |