ELEMENTS, IONS AND ISOTOPES Aim: What is an atom? DRAW IMAGES DO NOW: Identify X, Y, and Z as Have you met atom? – Chapter 11 Do these steps on the front of the worksheet Atomic Structure Review. Modern Atom Model. Explaining the Periodic Table 1.WHAT IS AN ATOM everything is mad...
Some isotopes are unstable Reviewing Isotopes Atoms with same number of protons but different numbers of neutrons Example: Carbon-12 (normal carbon) versus Carbon-14 Some isotopes are unstable Nuclei break down in a process of radioactive decay, releasing particles and energy Radioactivity Unstable nu...