Blue - 's' orbitals filled
Yellow - 'f' orbitals filled
Green - 'd' orbitals filled
Red - 'p' orbitals filled

Classification of the Periodic Table Elements

Metals, transition metals, post-transition metals, metalloids and non-metals

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Alkali Metals

Alkaline Earths

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1

2

3

3

3

3

3

3

3

3

3

3

3

3

3

3

Row 2

3   Li Lithium

4   Be Beryllium

Row 3

11  Na Sodium

12  Mg Magnesium

Row 4

19  K Potassium

20  Ca Calcium

Row 5

37  Rb Rubidium

38  Sr Strontium

Row 6

55   Cs Cesium

56   Ba Barium

57   La Lanthanum

58   Ce Cerium

59   Pr Praseodymium

60   Nd Neodymium

61   Pm Promethium

62   Sm Samarium

63   Eu Europium

64   Gd Gadolinium

65   Tb Terbium

66   Dy Dysprosium

67   Ho Holmium

68   Er Erbium

69   Tm Thulium

70   Yb Ytterbium

Row 7

87   Fr Francium

88   Ra Radium

89   Ac Actinium

90   Th Thorium

91   Pa Protactinium

92   U Uranium

93   Np Neptunium

94   Pu Plutonium

95   Am Americium

96   Cm Curium

97   Bk Berkelium

98   Cf Californium

99   Es Einsteinium

100   Fm Fermium

101   Md Mendelevium

102   No Nobelium

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Boron   Group

Crystal   -logens

Pnictogens

Chalcogens

Halogens

Inert   Gases

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3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Row 2

5    M   B Boron

6    NM   C Carbon

7    NM   N Nitrogen

8    NM   O Oxygen

9  NM   F Fluorine

10  NM   Ne Neon

Row 3

13   P   Al Aluminum

14   M   Si Silicon

15  NM   P Phosphorus

16  NM   S Sulfur

17   NM   Cl Chlorine

18  NM   Ar Argon

Row 4

21   T   Sc Scandium

22   T   Ti Titanium

23   T   V Vanadium

24   T   Cr Chromium

25   T   Mn Manganese

26   T   Fe Iron

27   T   Co Cobalt

28   T   Ni Nickel

29   T   Cu Copper

30   P   Zn Zinc

31   P   Ga Gallium

32   M Ge Germanium

33   M As Arsenic

34  NM   Se Selenium

35   NM   Br Bromine

36  NM   Kr Krypton

Row 5

39   T   Y Yttrium

40   T   Zr Zirconium

41   T   Nb Niobium

42   T   Mo Molybdenum

43   T   Tc Technetium

44   T   Ru Ruthenium

45   T   Rh Rhodium

46   T   Pd Palladium

47   T   Ag Silver

48   P   Cd Cadmium

49   P   In Indium

50   P   Sn Tin

51   M   Sb Antimony

52   M   Te Tellurium

53   NM   I Iodine

54   NM   Xe Xenon

Row 6

71   T   Lu Lutetium

72   T   Hf Hafnium

73   T   Ta Tantalum

74   T   W Tungsten

75   T   Re Rhenium

76   T   Os Osmium

77   T   Ir Iridium

78   T   Pt Platinum

79   T   Au Gold

80   P   Hg Mercury

81   P   Tl Thallium

82   P   Pb Lead

83   P   Bi Bismuth

84   P   Po Polonium

85  M   At Astatine

86   NM   Rn Radon

Row 7

103   Lr Lawrencium

104   T   Rf Rutherfordium

105   T   Db Dubnium

106   T   Sg Seaborgium

107   T   Bh Bohrium

108   T   Hs Hassium

109   U   Mt Meitnerium

110   U   Ds Darmstadtium

111   U   Rg Roentgenium

112   P   Cn Copernicium

113  U   Nh Nihonium

114   U   Fl Flerovium

115   U   Mc Moscovium

116   U   Lv Livermorium

117    U   Ts Tennesine

118   U   Og Oganesson

Column 1	6	Alkali Metals	Lithium (3)  Sodium (11)  Potassium(19)  Rubidium (37)  Cesium (55)  Francium (87)
Column 2	6	Alkaline Earth Metals	Beryllium (4)  Magnesium (12)  Calcium(20)  Strontium (38)  Barium (56)  Radium (88)
Row 6	14	Lanthanides (Rare Earths)	Lanthanum (57)  Cerium (58)  Praseodymium (59)  Neodymium (60)  Promethium (61)  Samarium (62)  Europium (63)  Gadolinium (64)  Terbium (65)  Dysprosium (66)  Holmium (67)  Erbium (68)  Thulium (69)  Ytterbium (70)
Row 7	14	Actinides	Actinium (89)  Thorium (90)  Protactinium (91)  Uranium (92)  Neptunium (93)  Plutonium (94)  Americium (95)  Curium (96)  Berkelium (97)  Californium (98)  Einsteinium (99)  Fermium (100)  Mendelevium (101)  Nobelium (102)
Row 4	9	Transition Metals	Scandium (21)   Titanium (22)   Vanadium (23)   Chromium (24)   Manganese (25)   Iron (26)   Cobalt (27)   Nickel (28)   Copper (29)
Row 5	9	Transition Metals	Yttrium (39)   Zirconium (40)   Niobium (41)  Molybdenum (42)   Technetium (43)   Ruthenium (44)  Rhodium (45)   Palladium (46)   Silver (47)
Row 6	9	Transition Metals	Hafnium (72)  Tantalum (73) Tungsten (74)  Rhenium (75)  Osmium (76)  Iridium (77)  Platinum (78)  Gold (79)  Mercury (80)
Row 7	1	Metal	Lawrencium (103)
Row 7	5	Transition Metals	Rutherfordium (104)  Dubnium (105)  Seaborgium (106)  Bohrium (107) Hassium (108)
	12	"P" Post-Transition Metals	Aluminum (13)  Zinc (30) Gallium (31) Cadmium (48)  Indium (49) Tin (50) Mercury (80) Thallium (81)  Lead (82) Bismuth (83) Polonium (84) Copernicium (112)
	85	TOTAL METALS
	7	"M" Metalloids	Boron (5) Silicon (14) Germanium (32) Arsenic (33)  Antimony (51) Tellurium(52) Astatine (85)
	17	"NM" Non-Metals	Hydrogen (1) Carbon (6) Nitrogen (7) Oxygen (8)  Fluorine (9) Phosphorous (15) Sulfur (16) Chlorine (17)  Selenium (34) Bromine (35) Iodine (53)  and 6 inert gases: Helium (2) Neon (10)  Argon (18) Krypton (36) Xenon (54) Radon (86)
	9	"U" Unknown Classification	Meitnerium (109)  Darmstadtium (110)  Roentgenium (111)  Nihonium (113)  Flerovium (114)  Moscovium (115)  Livermorium (116)  Tennesine (117)  Oganesson (118)