Science Year 9sc3Mr. Palomino

What is the relation of these pictures?

The atomic structure

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

Draw the

atomic structur

e

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