Start an entry with e for element, i for ion or molecule, a for acid.
Put the letter to designate the type of entry, then a tab (not a space).
Then put the symbol, tab, and the full name.

e	H	hydrogen
e	C	carbon
e	Na	sodium
e	S	sulfur
e	Sc	scandium
e	Fe	iron
e	Ga	gallium
e	Kr	krypton
e	Ag	silver
e	Te	tellurium
e	Pt	platinum
e	Bi	bismuth
e	He	helium
e	N	nitrogen
e	Mg	magnesium
e	Cl	chlorine
e	Ti	titanium
e	Co	cobalt
e	Ge	germanium
e	Rb	rubidium
e	Cd	cadmium
e	I	iodine
e	Au	gold
e	Po	polonium
e	Li	lithium
e	O	oxygen
e	Al	aluminum
e	Ar	argon
e	V	vanadium
e	Ni	nickel
e	As	arsenic
e	Sr	strontium
e	In	indium
e	Xe	xenon
e	Hg	mercury
e	At	astatine
e	Be	beryllium
e	F	fluorine
e	Si	silicon
e	K	potassium
e	Cr	chromium
e	Cu	copper
e	Se	selenium
e	Mo	molybdenum
e	Sn	tin
e	Cs	cesium
e	Tl	thallium
e	Rn	radon
e	B	boron
e	Ne	neon
e	P	phosphorus
e	Ca	calcium
e	Mn	manganese
e	Zn	zinc
e	Br	bromine
e	Pd	palladium
e	Sb	antimony
e	Ba	barium
e	Pb	lead
e	U	uranium
i	CH 3 COO 1-	acetate ion
i	NH 4 1+		ammonium ion
i	NO 3 1-		nitrate ion
i	SO 4 2-		sulfate ion
i	PO 3 3-		phosphite ion
i	ClO 2 1-	chlorite ion
i	O 2 2-		peroxide ion
i	S CN 1-		thiocyanate ion
i	C 2 O 4 2-	oxalate ion
i	OH 1-		hydroxide ion
i	NO 2 1-		nitrite ion
i	SO 3 2-		sulfite ion
i	ClO 4 1-	perchlorate ion
i	ClO 1-		hypochlorite ion
i	CrO 4 2-	chromate ion
i	H 3 O 1+	hydronium ion
i	CN 1-		cyanide ion
i	CO 3 2-		carbonate ion
i	MnO 4 1-	permanganate ion
i	PO 4 3-		phosphate ion
i	ClO 3 1-	chlorate ion
i	S 2 O 3 2-	thiosulfate ion
i	Cr 2 O 7 2-	dichromate ion
i	NH 3		ammonia
a	HCl		hydrochloric acid
a	HF		hydrofluoric acid
a	HBr		hydrobromic acid
a	HI		hydroiodic acid
a	H 2 SO 4	sulfuric acid
a	H ClO 2		chlorous acid
a	H NO 2		nitrous acid
a	H NO 3		nitric acid
a	H 3 PO 4	phosphoric acid
a	H 3 PO 3	phosphorous acid