Year 9 sc3 atom
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Transcript of Year 9 sc3 atom
Today´s menu Starter Answering questions Teory
Describe how the Dalton model of an atom has changed because of the discovery of subatomic particles.
Describe the structure of an atom Nucleus of an atom size Describe atoms of a given element
ej: oxygen Describe that atoms contain equal
numbers of protons and electrons. The challenge Review
Fast quiz & video
http://www.bbc.co.uk/education/guides/zt2hpv4/test
Video: https://www.youtube.com/watch?v=R1RMV5qhwyE
The challenge
How was the draw of the atom developed by Dalton?? https://www.boundless.com/chemistry/textbook
s/boundless-chemistry-textbook/atoms-molecules-and-ions-2/history-of-atomic-structure-32/john-dalton-and-atomic-theory-197-6138/
Review
Describe how the Dalton model of an atom has changed because of the discovery of subatomic particles.
Describe the structure of an atom Nucleus of an atom size Describe atoms of a given element ej: oxygen Describe that atoms contain equal numbers of
protons and electrons. Mass and atomic number