2.1+The+atom


 * Learning Goals**: (1 hour)
 * State the position of protons, neutrons and electrons in the atom.
 * State the relative masses and relative charges of protons, neutrons and electrons.
 * Define the terms mass number (A), atomic number (Z) and isotopes of an element.
 * Deduce the symbol for an isotope given its mass number and atomic number.
 * Calculate the number of protons, neutrons and electrons in atoms and ions from the mass number, atomic number and charge.
 * Compare the properties of the isotopes of an element.
 * Discuss the uses of radioisotope.

"Materials" pp. 2-5
 * Pre-discussion Usborne Science**
 * Assignment:** Homework MYP Chem 2.1a at quizstar.4teachers.org Minimum 80% correct.


 * Khan Academy Lectures**:
 * Atoms & Elements
 * Introduction to the Atom

Read: pdf or online
 * Homework CK-12 Chemistry**

Chapter 4: Atomic Theory []


 * Assignment:** Homework MYP Chem 2.1b at quizstar.4teachers.org Minimum 80% correct.


 * Extra Help - Brain Genie Practice Questions & Videos:**
 * ATOMIC NUMBER
 * Determining the number of protons
 * Determining the number of electrons
 * Determining element given number of protons or electrons
 * MASS NUMBER
 * Determining the mass number from the numbers of protons and neutrons
 * Determining the number of neutrons
 * Determining number of all subatomic particles
 * ISOTOPES
 * Determining number of all subatomic particles


 * Class Activities**


 * Build an Atom [[file:Build an Atom.pdf]] [[file:Build an Atom.docx]]**

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 * Isotopes and Atomic Mass [[file:Isotopes and Atomic Mass.pdf]] [[file:Isotopes and Atomic Mass.docx]]**

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