Atoms and Light 1

Atoms and Light 1 - AtomsandLightLectureI...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Atoms and Light – Lecture I
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Chemical Elements Fundamental units of matter (to a chemist) Cannot be chemically changed to anything else 117 are known 112 are named
Background image of page 2
History of the Periodic Table Early 1800’s - John Dobereiner - “Triads” of elements e.g. Cl, Br, I 1864 - John Newlands - “Octaves” 1869 - Julius Meyer, Dimitri Mendeleev
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Mendeleev’s Periodic Table (1872)
Background image of page 4
Properties of Germanium Property Predicted Observed in 1871 in 1876 Atomic Mass 72 72.3 Density 5.5 g cm -3 5.47 Oxide Formula RO 2 GeO 2 Chloride RCl 4 GeCl 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Modern Periodic Table
Background image of page 6
Group Characteristics 1A. “Alkali metals” (Li, Na, K, Rb, Cs) soft, shiny, low melting point metals metal + H 2 O alkali ne solution
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Group Characteristics 2A. “Alkaline earth metals” (Be, Mg, Ca, Sr, Ba, Ra) - lustrous, silvery, metals - reactive
Background image of page 8
Group Characteristics 7A. “Halogens” (F, Cl, Br, I) corrosive, reactive non-metals
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Group Characteristics 8A. “Noble gases” (He, Ne, Ar, Kr, Xe, Rn) low reactivities
Background image of page 10
TRANSITION METALS MAIN GROUP ELEMENTS LANTHANIDES ACTINIDES s-block p-block d-block f-block
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The zig-zag line Metals Non-Metals
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 35

Atoms and Light 1 - AtomsandLightLectureI...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online