Chapter 4 The Structure of the Atom.pdf
Chapter 4 The Structure of the Atom.pdf
Chapter 4 The Structure of the Atom.pdf
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Isotopes and Mass Number<br />
• All atoms <strong>of</strong> a particular element have <strong>the</strong><br />
same number <strong>of</strong> protons and electrons but<br />
<strong>the</strong> number <strong>of</strong> neutrons in <strong>the</strong> nucleus can<br />
differ.<br />
• <strong>Atom</strong>s with <strong>the</strong> same number <strong>of</strong> protons but<br />
different numbers <strong>of</strong> neutrons are called<br />
isotopes.