Grandpa Pencil learns about the Elements

Grandpa Pencil
Learns about
the Elements

Double click any word on this page for dictionary definition and pronunciation

A: Atomic number - B: Element name - C: Chemical symbol - D: Atomic Mass

Note 1: * against the atomic mass signifies 'atomic weight' of the isotope with the longest known half life
Note 2: The list, below, is in ascending order of the element's atomic number

A B C D
A B C D
A B C D

1
Hydrogen
H 1.0079 27
Cobalt
Co 58.9332 53
Iodine
I 126.9045

2
Helium
He 4.0026 28
Nickel
Ni 58.71 54
Xenon
Xe 131.3

3
Lithium
Li 6.941 29
Copper
Cu 63.546 55
Cesium
Cs 132.9054

4
Beryllium
Be 9.01218 30
Zinc
Zn 65.381 56
Barium
Ba 137.33

5
Boron
B 10.81 31
Gallium
Ga 69.72 **

6
Carbon
C 12.011 32
Germanium
Ge 72.59 72
Hafnium
Hf 178.49

7
Nitrogen
N 14.0067 33
Arsenic
As 74.9216 73
Tantalum
Ta 180.9479

8
Oxygen
O 15.9994 34
Selenium
Se 78.96 74
Tungsten
W 183.85

9
Fluorine
F 18.9984 35
Bromine
Br 79.904 75
Rhenium
Re 186.207

10
Neon
Ne 20.179 36
Krypton
Kr 83.8 76
Osmium
Os 190.2

11
Sodium
Na 22.98977 37
Rubidium
Rb 85.4678 77
Iridium
Ir 192.22

12
Magnesium
Mg 24.305 38
Strontium
Sr 87.62 78
Platinum
Pt 195.09

13
Aluminum
Al 26.98154 39
Yttrium
Y 88.9059 79
Gold
Au 196.9665

14
Silicon
Si 28.0855 40
Zirconium
Zr 91.22 80
Mercury
Hg 200.59

15
Phosphorus
P 30.97376 41
Niobium
Nb 92.9064 81
Thallium
Ti 204.37

16
Sulfur
S 32.064 42
Molybdenum
Mo 95.94 82
Lead
Pb 207.19

17
Chlorine
Cl 35.453 43
Technetium
Tc 96.9064* 83
Bismuth
Bi 208.9804

18
Argon
Ar 39.948 44
Ruthenium
Ru 101.07 84
Polonium
Po 208.9824*

19
Potassium
K 39.0983 45
Rhodium
Rh
102.9055
85
Astatine
At 209.9870*

20
Calcium
Ca 40.8 46
Palladium
Pd 106.4 86
Radon
Rn 222.0176*

21
Scandium
Sc 44.9559 47
Silver
Ag 107.868 87
Francium
Fr 223.0197

22
Titanium
Ti 47.9 48
Cadmium
Cd 112.41 88
Radium
Ra 226.0254*

23
Vanadium
V 50.9414 49
Indium
In 114.82 89
***

24
Chromium
Cr 51.996 50
Tin
Sn 118.69 104
Unnilquadium
Unq

25
Manganese
Mn 54.938 51
Antimony
Sb 112.75 **
The lanthanides (Rare Earths)

26
Iron
Fe 55.847
52
Tellurium
Te 127.6
***
Actinide Series

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A	B	C	D	A	B	C	D	A	B	C	D
1	Hydrogen	H	1.0079	27	Cobalt	Co	58.9332	53	Iodine	I	126.9045
2	Helium	He	4.0026	28	Nickel	Ni	58.71	54	Xenon	Xe	131.3
3	Lithium	Li	6.941	29	Copper	Cu	63.546	55	Cesium	Cs	132.9054
4	Beryllium	Be	9.01218	30	Zinc	Zn	65.381	56	Barium	Ba	137.33
5	Boron	B	10.81	31	Gallium	Ga	69.72	**
6	Carbon	C	12.011	32	Germanium	Ge	72.59	72	Hafnium	Hf	178.49
7	Nitrogen	N	14.0067	33	Arsenic	As	74.9216	73	Tantalum	Ta	180.9479
8	Oxygen	O	15.9994	34	Selenium	Se	78.96	74	Tungsten	W	183.85
9	Fluorine	F	18.9984	35	Bromine	Br	79.904	75	Rhenium	Re	186.207
10	Neon	Ne	20.179	36	Krypton	Kr	83.8	76	Osmium	Os	190.2
11	Sodium	Na	22.98977	37	Rubidium	Rb	85.4678	77	Iridium	Ir	192.22
12	Magnesium	Mg	24.305	38	Strontium	Sr	87.62	78	Platinum	Pt	195.09
13	Aluminum	Al	26.98154	39	Yttrium	Y	88.9059	79	Gold	Au	196.9665
14	Silicon	Si	28.0855	40	Zirconium	Zr	91.22	80	Mercury	Hg	200.59
15	Phosphorus	P	30.97376	41	Niobium	Nb	92.9064	81	Thallium	Ti	204.37
16	Sulfur	S	32.064	42	Molybdenum	Mo	95.94	82	Lead	Pb	207.19
17	Chlorine	Cl	35.453	43	Technetium	Tc	96.9064*	83	Bismuth	Bi	208.9804
18	Argon	Ar	39.948	44	Ruthenium	Ru	101.07	84	Polonium	Po	208.9824*
19	Potassium	K	39.0983	45	Rhodium	Rh	102.9055	85	Astatine	At	209.9870*
20	Calcium	Ca	40.8	46	Palladium	Pd	106.4	86	Radon	Rn	222.0176*
21	Scandium	Sc	44.9559	47	Silver	Ag	107.868	87	Francium	Fr	223.0197
22	Titanium	Ti	47.9	48	Cadmium	Cd	112.41	88	Radium	Ra	226.0254*
23	Vanadium	V	50.9414	49	Indium	In	114.82	89	***
24	Chromium	Cr	51.996	50	Tin	Sn	118.69	104	Unnilquadium	Unq
25	Manganese	Mn	54.938	51	Antimony	Sb	112.75	**	The lanthanides (Rare Earths)
26	Iron	Fe	55.847	52	Tellurium	Te	127.6	***	Actinide Series

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