Periodic Table of Elements

helium carbon nitrogen sodium silver oxygen mercury neodymium chlorine gold mercury oxygen hydrogen helium sodium niobium neodymium carbon

Elements Elements are _________ substances. That means their atoms are ______________. pure identical

Elements The elements, alone or in combinations, make up our bodies, our world, our sun, and in fact, the entire universe.

Periodic Table The periodic table organizes the elements in a particular way. A great deal of information about an element can be gathered from its position in the period table.

What’s in a square? Different periodic tables can include various bits of information, but usually: atomic number symbol atomic mass state of matter at room temperature.

Atomic Number This refers to how many protons an atom of that element has. No two elements, have the same number of protons. Bohr Model of Hydrogen Atom

Atomic Mass Atomic Mass refers to the “weight” of the atom.

C Cu Symbols Carbon Copper All elements have their own unique symbol. It can consist of a single capital letter, or a capital letter and one or two lower case letters. C Carbon Cu Copper

Common Elements and Symbols

The elements on the Periodic Table can be divided into 3 categories: metals, nonmetals, and metalloids.

Copper is a ______________. Metal Now find lead and titanium. What side of the Periodic Table are they on? Left!!

METALS Metals and Nonmetals H He Li Be B C N O F Ne Na Mg Al Si P S Cl 1 He 2 1 Li 3 Be 4 B 5 C 6 N 7 O 8 F 9 Ne 10 2 Na 11 Mg 12 Al 13 Si 14 P 15 S 16 Cl 17 Ar 18 3 K 19 Ca 20 Sc 21 Ti 22 V 23 Cr 24 Mn 25 Fe 26 Co 27 Ni 28 Cu 29 Zn 30 Ga 31 Ge 32 As 33 Se 34 Br 35 Kr 36 4 METALS Rb 37 Sr 38 Y 39 Zr 40 Nb 41 Mo 42 Tc 43 Ru 44 Rh 45 Pd 46 Ag 47 Cd 48 In 49 Sn 50 Sb 51 Te 52 I 53 Xe 54 5 Cs 55 Ba 56 Hf 72 Ta 73 W 74 Re 75 Os 76 Ir 77 Pt 78 Au 79 Hg 80 Tl 81 Pb 82 Bi 83 Po 84 At 85 Rn 86 6 * Fr 87 Ra 88 Rf 104 Db 105 Sg 106 Bh 107 Hs 108 Mt 109 7 W La 57 Ce 58 Pr 59 Nd 60 Pm 61 Sm 62 Eu 63 Gd 64 Tb 65 Dy 66 Ho 67 Er 68 Tm 69 Yb 70 Lu 71 Ac 89 Th 90 Pa 91 U 92 Np 93 Pu 94 Am 95 Cm 96 Bk 97 Cf 98 Es 99 Fm 100 Md 101 No 102 Lr 103

Hydrogen The hydrogen on the metals side of the Periodic Table, but it is not a metal. Hydrogen is in a class of its own. It’s a gas at room temperature. It has one proton and one electron in its one and only energy level.

Color the Metals Green or Blue on your periodic table. (DO NOT COLOR HYDROGEN! Draw in zig-zag line METALS Do not include: B, Si, Ge, As, Sb,Te, At

Let’s identify some metals….. Penny – Aluminum – Copper – Iron/ aluminum - Pounded into shapes shines Pulled into wires Conducts electricity

Malleable Metals can be pounded or rolled into thin sheets without shattering.

Luster Shiny - reflects light from its surface

Good Conductor Matter that allows electricity to flow through it easily

Ductile Can be stretched into wires

left Metals are on the _______ side of the Periodic Table. Properties of metals are: Malleable, ductile, luster, good conductor

Opposite of a metal would be a ________________. nonmetal Where would I find them on the Periodic Table? On the opposite side!

Nonmetals Nonmetals are found on the right side of the periodic table.

Color your nonmetals red or yellow. Metalloids 1 2 Nonmetals 3 4 5 Metals 6 7 Metalloids: B, Si, Ge, As, Sb,Te, At Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 349

Let’s look at some nonmetals….. carbon – nitrogen- phosphorus -

Opposite of a metal would be a ________________. nonmetal Their physical properties are also opposite. Good conductor – Malleable/ductile – Luster - Insulator (poor conductor) Brittle (fragile, breaks easily) dull

metalloids H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V 1 He 2 1 Li 3 Be 4 B 5 C 6 N 7 O 8 F 9 Ne 10 2 Na 11 Mg 12 Al 13 Si 14 P 15 S 16 Cl 17 Ar 18 3 K 19 Ca 20 Sc 21 Ti 22 V 23 Cr 24 Mn 25 Fe 26 Co 27 Ni 28 Cu 29 Zn 30 Ga 31 Ge 32 As 33 Se 34 Br 35 Kr 36 4 Rb 37 Sr 38 Y 39 Zr 40 Nb 41 Mo 42 Tc 43 Ru 44 Rh 45 Pd 46 Ag 47 Cd 48 In 49 Sn 50 Sb 51 Te 52 I 53 Xe 54 5 Cs 55 Ba 56 Hf 72 Ta 73 W 74 Re 75 Os 76 Ir 77 Pt 78 Au 79 Hg 80 Tl 81 Pb 82 Bi 83 Po 84 At 85 Rn 86 6 * Fr 87 Ra 88 Rf 104 Db 105 Sg 106 Bh 107 Hs 108 Mt 109 7 W La 57 Ce 58 Pr 59 Nd 60 Pm 61 Sm 62 Eu 63 Gd 64 Tb 65 Dy 66 Ho 67 Er 68 Tm 69 Yb 70 Lu 71 Ac 89 Th 90 Pa 91 U 92 Np 93 Pu 94 Am 95 Cm 96 Bk 97 Cf 98 Es 99 Fm 100 Md 101 No 102 Lr 103

Metalloids are a combination of metals and nonmetals Metalloids are a combination of metals and nonmetals. So their properties can be mixed. An example of the properties of a metalloid could be - Metalloid - could be malleable with no luster or - semi-conductor that is ductile

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