What are Isotopes?
You can find this storyboard in the following articles and resources:
Understanding Atomic Structures
Lesson Plans by Amy Roediger
Science teachers often rely on analogies and comparisons to help students picture what an atom “looks like”. The following activities aim to help students understand the atom, as it serves as the foundation for the rest of chemistry and plays an important role in many parts of physics.
Storyboard Description
What are isotopes?
Storyboard Text
- DEFINITIONS
- CHARACTERISTICS
- Isotopes are atoms of the same element with different masses. The animals above are all dogs, even though they come in different sizes and shapes.
- EXAMPLES
- ISOTOPES
- • Different Mass Number • Different Number of Neutrons • Same Number of Protons • Same Atomic Number
- NON-EXAMPLES
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- proton
- neutron
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- These atoms have the same number of Protons and a different number of Neutrons. These are isotopes of the same element (Li).
- Here, the atoms have a different number of Protons. These are different elements (Li and Be).
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