Chemistry Adda : Element their Atomic Number

Element	Symbol	Atomic Number	Molar mass/ (g mol-1)		Element	Symbol	Atomic Number	Molar mass/ (g mol-1)
Actinium	Ac	89	227.03		Mercury	Hg	80	200.59
Aluminium	Al	13	26.98		Molybdenum	Mo	42	95.94
Americium	Am	95	(243)		Neodymium	Nd	60	144.24
Antimony	Sb	51	121.75	nbsp;	Neon	Ne	10	20.18
Argon	Ar	18	39.95		Neptunium	Np	93	(237.05)
Arsenic	As	33	74.92		Nickel	Ni	28	58.71
Astatine	At	85	210		Niobium	Nb	41	92.91
Barium	Ba	56	137.34		Nitrogen	N	7	14.0067
Berkelium	Bk	97	(247)		Nobelium	No	102	(259)
Beryllium	Be	4	9.01		Osmium	Os	76	190.2
Bismuth	Bi	83	208.98		Oxygen	O	8	16.00
Bohrium	Bh	107	(264)		Palladium	Pd	46	106.4
Boron	B	5	10.81		Phosphorus	P	15	30.97
Bromine	Br	35	79.91		Platinum	Pt	78	195.09
Cadmium	Cd	48	112.40		Plutonium	Pu	94	(244)
Caesium	Cs	55	132.91		Polonium	Po	84	210
Calcium	Ca	20	40.08		Potassium	K	19	39.10
Californium	Cf	98	251.08		Praseodymium	Pr	59	140.91
Carbon	C	6	12.01		Promethium	Pm	61	(145)
Cerium	Ce	58	140.12		Protactinium	Pa	91	231.04
Chlorine	Cl	17	35.45		Radium	Ra	88	(226)
Chromium	Cr	24	52.00		Radon	Rn	86	(222)
Cobalt	Co	27	58.93		Rhenium	Re	75	186.2
Copper	Cu	29	63.54		Rhodium	Rh	45	102.91
Curium	Cm	96	247.07		Rubidium	Rb	37	85.47
Dubnium	Db	105	(263)		Ruthenium	Ru	44	101.07
Dysprosium	Dy	66	162.50		Rutherfordium	Rf	104	(261)
Einsteinium	Es	99	(252)		Samarium	Sm	62	150.35
Erbium	Er	68	167.26		Scandium	Sc	21	44.96
Europium	Eu	63	151.96		Seaborgium	Sg	106	(266)
Fermium	Fm	100	(257.10)		Selenium	Se	34	78.96
Fluorine	F	9	19.00		Silicon	Si	14	28.08
Francium	Fr	87	(223)		Silver	Ag	47	107.87
Gadolinium	Gd	64	157.25		Sodium	Na	11	22.99
Gallium	Ga	31	69.72		Strontium	Sr	38	87.62
Germanium	Ge	32	72.61		Sulphur	S	16	32.06
Gold	Au	79	196.97		Tantalum	Ta	73	180.95
Hafnium	Hf	72	178.49		Technetium	Tc	43	(98.91)
Hassium	Hs	108	(269)		Tellurium	Te	52	127.60
Helium	He	2	4.00		Terbium	Tb	65	158.92
Holmium	Ho	67	164.93		Thallium	Tl	81	204.37
Hydrogen	H	1	1.0079		Thorium	Th	90	232.04
Indium	In	49	114.82		Thulium	Tm	69	168.93
Iodine	I	53	126.90		Tin	Sn	50	118.69
Iridium	Ir	77	192.2		Titanium	Ti	22	47.88
Iron	Fe	26	55.85		Tungsten	W	74	183.85
Krypton	Kr	36	83.80		Ununbium	Uub	112	(277)
Lanthanum	La	57	138.91		Ununnilium	Uun	110	(269)
Lawrencium	Lr	103	(262.1)		Unununium	Uuu	111	(272)
Lead	Pb	82	207.19		Uranium	U	92	238.03
Lithium	Li	3	6.94		Vanadium	V	23	50.94
Lutetium	Lu	71	174.96		Xenon	Xe	54	131.30
Magnesium	Mg	12	24.31		Ytterbium	Yb	70	173.04
Manganese	Mn	25	54.94		Yttrium	Y	39	88.91
Meitneium	Mt	109	(268)		Zinc	Zn	30	65.37
Mendelevium	Md	101	258.10		Zirconium	Zr	40	91.22
The value given in parenthesis is the molar mass of the isotope of largest known half-life.