must look 

Electron Configuration- good explanation

Concept in chemisty - Analogy

Good for chemistry - concept maps

http://intro.chem.okstate.edu/chemsource/atomic/skmenu.htm

Video good on basic Biochemistry

http://www.greatpacificmedia.com/

chemistry of life

 http://www.slic2.wsu.edu:82/hurlbert/micro101/pages/Chap5.html

Experiments with pH and making a pH paper

http://www.funsci.com/fun3_en/acids/acids.htm

About Acids and Bases

excellent for orbitals sp d f

http://www.chemguide.co.uk/basicorg/bonding/orbitals.html#top

 http://www.edu.pe.ca/kish/grassroots/chem/electron.htm

http://www.beaconlearningcenter.com/weblessons/mixedupcells/default.htm

periodic table

formation of elements in stars etc

good overview

features of periodic table

numbering elements in table

Excellent on periodic table-youtube

Excellent - periodic table - uses of all elements

Good for children periodic table

http://elements.wlonk.com/

http://thinkzone.wlonk.com/

Chemical Bonds- Good

ionic-covalent-metallic bonds

Chemistry compounds - bonds -good worksheet.

Naming chemical compounds - worksheets

Ionic bond-good explantion for compounds naming

Good one for naming compunds - http://www.chem4kids.com/files/atom_naming.html

Good  one for printing

http://elements.wlonk.com/Elements_Pics+Words_11x8.5.pdf

http://bms.mesa.k12.co.us/teachers/freedom/documents/PeriodicTableWithExamples.pdf

Good one

Entropy-good explanation

Bismuth bimagnetism and levitating

mass spectroscopy for children

https://www.asms.org/docs/what-is-ms-booklet/mass-spec-basics-for-young-students.pdf?sfvrsn=0

Books Good ones

Modern Chemistry Student Edition
    http://www.amazon.com/Holt-Chemistry-Student-Edition-2004/dp/0030664624
    Grades: 9-12
    Material Type: Student Materials
    Format: Hardcover, 976 Pages
    ISBN-13/EAN: 9780030367861
    ISBN-10: 0030367867
    Product Code: 1109261
    National/State: National
    Copyright Year: 2009