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Chapter 3-1 Chemistry 120 Online LA Tech Chapter 3 Chapter 3 Atomic Structure and the Periodic Atomic Structure and the Periodic Table Table
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Chapter 3-1Chemistry 120 Online LA Tech
Chapter 3Chapter 3
Atomic Structure and the Periodic TableAtomic Structure and the Periodic Table
Chapter 3-2Chemistry 120 Online LA Tech
Novastock/PhotoEdit
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable
→ Music consists of a series of tones that build octave
after octave. Similarly, elements have properties
that recur period after period.
Chapter 3-3Chemistry 120 Online LA Tech
The protons and The protons and neutrons of an atom are neutrons of an atom are found in the central found in the central nuclear region, or nuclear region, or nucleus, and the nucleus, and the electrons are found in an electrons are found in an electron cloud outside electron cloud outside the nucleus.the nucleus.
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Chapter 3-4Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Chapter 3-5Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Chapter 3-6Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
→ Mendeleev constructed a Mendeleev constructed a periodic table as part of his effort periodic table as part of his effort to systemize chemistry.to systemize chemistry.
Edgar Fahs Smith Collection, University of Pennsylvania Library
Chapter 3-7Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
The periodic The periodic table of the table of the elements is a elements is a graphical way graphical way to show to show relationships relationships among the among the elements.elements.
Chapter 3-8Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
In this periodic table, elements 58 through 71 and 90 through 103 In this periodic table, elements 58 through 71 and 90 through 103 are shown in their proper positions.are shown in their proper positions.
Chapter 3-9Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
(a)(a) Some familiar metals are Some familiar metals are aluminum, lead, tin, and aluminum, lead, tin, and zinc.zinc.
(b) Some familiar nonmetals are sulfur, phosphorus,
and bromine.
Chapter 3-10Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Chapter 3-11Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
This portion of the This portion of the periodic table shows the periodic table shows the dividing line between dividing line between metals and nonmetals.metals and nonmetals.
Chapter 3-12Chemistry 120 Online LA Tech
→ The number of subshells The number of subshells within a shell is equal to within a shell is equal to the shell number.the shell number.
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Chapter 3-13Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
An s orbital has spherical shape; a p orbital has two lobes; a d orbital has four lobes; and an f orbital has eight lobes.
Chapter 3-14Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Orbitals within a subshell differ mainly in orientation.
Chapter 3-15Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Chapter 3-16Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
The order of filling various The order of filling various electron subshells. electron subshells. Subshells of different shells Subshells of different shells “overlap.”“overlap.”
Chapter 3-17Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
The order of filling various The order of filling various electron subshells with electron subshells with electrons follows the same electrons follows the same order given by the arrows in order given by the arrows in this diagram.this diagram.
Chapter 3-18Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
The different colors of The different colors of fireworks result when heat fireworks result when heat excites the electrons of excites the electrons of different kinds of metal different kinds of metal atoms.atoms.
William S. Helsel/Getty Images
Chapter 3-19Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
Electron Electron configuration configuration and the positions and the positions of the elements in of the elements in the periodic table.the periodic table.
Chapter 3-20Chemistry 120 Online LA Tech
Atomic Structure and the Periodic Atomic Structure and the Periodic TableTable cont’dcont’d
A A classification classification scheme for scheme for the elements the elements based on based on their electron their electron configurationconfigurations.s.
