CAVA 302/303 S1U3 L11/12 Inner Transition Metals
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| The two rows of elements at the very bottom of the periodic table are the [...] | The two rows of elements at the very bottom of the periodic table are the inner transition metals
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| The top row of the inner transition metals is the [...] (it starts with lanthanum (La)) | The top row of the inner transition metals is the Lanthanides (it starts with lanthanum (La))
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| The bottom row of the inner transition metals is the [...] (it starts with actinide (Ac)) | The bottom row of the inner transition metals is the actinides (it starts with actinide (Ac))
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| The inner transition metals are sometimes referred to as the [...] metals. | The inner transition metals are sometimes referred to as the rare earth metals.
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| One of the interesting things about the inner transition metals is that these elements are so [...] in properties that they are often hard to [...]. | One of the interesting things about the inner transition metals is that these elements are so similar in properties that they are often hard to tell apart.
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| All elements of the [...] series are radioactive. | All elements of the actinide series are radioactive.
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| Out of the 14 elements in the actinide series, only thorium and [...] occur in nature in any significant quantity. | Out of the 14 elements in the actinide series, only thorium and uranium occur in nature in any significant quantity.
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| Most of the elements in the actinide series are [...] elements, which are not found on Earth unless produced in a laboratory. | Most of the elements in the actinide series are transuranium elements, which are not found on Earth unless produced in a laboratory.
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| The heaviest naturally occurring element on Earth is [...]. (probably... there may be a few traces of larger elements out there). | The heaviest naturally occurring element on Earth is Uranium. (probably... there may be a few traces of larger elements out there).
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| Actinide-series elements have nuclei that are so large that they tend to [...] (usually into a smaller nucleus). | Actinide-series elements have nuclei that are so large that they tend to break down or decay (usually into a smaller nucleus).
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| As the actinide-series element nuclei decay, they emit [...]. This is called [...]active decay. | As the actinide-series element nuclei decay, they emit radiation. This is called radioactive decay.
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| Interesting Factoid: Uranium has been used for nearly [...] years as an additive to ceramics. | Interesting Factoid: Uranium has been used for nearly 2,000 years as an additive to ceramics.
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| If you want to find an element that's only made in a laboratory, just look past [...]. | If you want to find an element that's only made in a laboratory, just look past uranium.
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| Uranium has an atomic number of 92, so any element with an atomic number greater than 92 is a [...] element. | Uranium has an atomic number of 92, so any element with an atomic number greater than 92 is a transuranium element.
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| [...]-uranium just means 'beyond uranium'. | Trans-uranium just means 'beyond uranium'.
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