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Atomic Theory
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Noble (inert) Gases Group #8 atoms

P shell full

Very non-reactive

VERY happy

Slide 95

Metals

Metals

Extra electrons

Conductive

Malleable

Dense

Shiny

Ductile

Slide 96

You walk into science class and discover a pile of shiny, silvery objects on your desk. Your teacher tells the class they will need to identify the element in each sample using the periodic table. Where on the periodic table, will you likely need to start looking?

You walk into science class and discover a pile of shiny, silvery objects on your desk. Your teacher tells the class they will need to identify the element in each sample using the periodic table. Where on the periodic table, will you likely need to start looking?

a. on the right hand side

b. on the left hand side

c. near the top

d. near the bottom.

Slide 97

Metal an atom with 1-3 extra valence electrons.

Metal an atom with 1-3 extra valence electrons.

Shiny

Dense

Malleable

Ductile

Electrical conductors

Thermal conductors

Slide 98

K

K

Na

Ca

Mg

Al

Mn

Cr

Fe

Cd

Sn

Pb

Cu

Hg

Ag

Au

Pt

Reactivity of metals

R

e

a

c

t

i

v

i

t

y

mo reactive

mo reactive

Slide 99

Individual metal atoms

Individual metal atoms

with free outer shell electrons

Slide 100

Metallic Bond the sharing of valence

Metallic Bond the sharing of valence

electrons by neighboring metal atoms.

Slide 101

Electricity - electrons moving through a metal wire.

Electricity - electrons moving through a metal wire.

Slide 102

Non-Metals

Non-Metals

missing electrons

Non-Conductive

NOT Malleable

Dull

Slide 103

Metalloids

Metalloids

Partly conductive

Slide 104

States of Matter

States of Matter

There are 4 States of Matter

(NOT really)

Slide 105

Solid

Solid

Slide 106

Liquid

Liquid

Slide 107

Liquid

Liquid

Slide 108

Hot Liquid

Hot Liquid

Liquid

Slide 109

Gas

Gas

Slide 110

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