Stephens Martinez
04/24/2024 · Middle School

Write the symbol for every chemical element that has atomic number less than 59 and atomic mass greater than 136.1 u .

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To find the chemical elements with atomic numbers less than 59 and atomic masses greater than 136.1 u, we can look at the periodic table. The elements that meet these criteria are: 1. **Barium (Ba)** - Atomic number 56, atomic mass approximately 137.33 u. 2. **Lanthanum (La)** - Atomic number 57, atomic mass approximately 138.91 u. 3. **Cerium (Ce)** - Atomic number 58, atomic mass approximately 140.12 u. Thus, the symbols for the elements that satisfy the given conditions are: - **Ba** - **La** - **Ce**

Quick Answer

Ba, La, Ce
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