the periodic table’s endangered elements€¦ · color these elements yellow rising threat from...

THE PERIODIC TABLE’S ENDANGERED ELEMENTS

E57-71

E89-103

H1

Hydrogen

Li3

Lithium

Na11

Sodium

K19

Potassium

Rb37

Rubidium

Cs55

Caesium

Fr87

Francium

Be4

Beryllium

Mg12

Magnesium

Ca20

Calcium

Sr38

Strontium

Ba56

Barium

Ra88

Radium

Sc21

Scandium

Y39

Yttrium

La57

Lanthanum

Ac89

Actinium

Ti22

Titanium

Zr40

Zirconium

Hf72

Hafnium

Rf104

Rutherfordium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

Uranium

Pm61

Prometheum

Np93

Neptunium

Sm62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

Curium

Tb65

Terbium

Bk97

Berkelium

Dy66

Dysprosium

Cf98

Californium

Ho67

Holmium

Es99

Einsteinium

Er68

Erbium

Fm100

Fermium

Tm69

Thulium

Md101

Mendelevium

Yb70

Ytterbium

No102

Nobelium

Lu71

Lutetium

Lr103

Lawrencium

V23

Vanadium

Nb41

Niobium

Ta73

Tantalum

Db105

Dubnium

Cr24

Chromium

Mo42

Molybdenum

W74

Tungsten

Sg106

SeaborgiumBh

107

Bohrium

Re75

Rhenium

Tc43

Technetium

Mn25

ManganeseFe

26

Iron

Ru44

Ruthenium

Os76

Osmium

Hs108

Hassium

Co27

Cobalt

Rh45

Rhodium

Ir77

Iridium

Mt109

MeitneriumDs

110

Darmstadtium

Pt78

Platinum

Pd46

Palladium

Ni28

NickelCu

29

Copper

Ag47

Silver

Au79

Gold

Rg111

RoentgeniumCn

112

Copernicum

Hg80

Mercury

Cd48

Cadmium

Zn30

Zinc

B5

Boron

Al13

Aluminium

Ga31

Gallium

In49

Indium

Tl81

Thallium

Nh113

Nihonium

C6

Carbon

Si14

Silicon

Ge32

Germanium

Sn50

Tin

Pb82

Lead

Fl114

Flerovium

N7

Nitrogen

P15

Phosphorus

As33

Arsenic

Sb51

Antimony

Bi83

Bismuth

Mc115

MoscoviumLv

116

Livermorium

Po84

Polonium

Te52

Tellurium

Se34

Selenium

S16

Sulfur

O8

OxygenF

9

Fluorine

Cl17

Chlorine

Br35

Bromine

I53

Iodine

At85

Astatine

Ts117

TennessineOg

118

Oganesson

Rn86

Radon

Xe54

Xenon

Kr36

Krypton

Ar18

Argon

Ne10

Neon

He2

helium

COLOR BY NUMBERS

22

2 2 2

LIMITED AVAILABILITY – FUTURE RISK TO SUPPLYCOLOR THESE ELEMENTS YELLOW

RISING THREAT FROM INCREASED USECOLOR THESE ELEMENTS ORANGE

SERIOUS THREAT IN THE NEXT 100 YEARSCOLOR THESE ELEMENTS RED

1

2

3

FIND OUT HOW ENDANGEREDEACH ELEMENT IS BY COLORINGIN THE ELEMENT BASED ON THENUMBERS 1, 2, AND 3IN THE BOTTOM OF THE CIRCLE.

DIRECTIONS

2

1

1

1

1 1 1 1 1 1 1

1

1

1

1 1

1 1111

1111111

123

3

3 3 3 3

3 3

3

Learn about the endangered elements at www.acs.org/endangered-elements.