Answer
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Step 1: Identify the elements with atomic numbers less than 200.
The atomic numbers of elements range from 1 to 118. Therefore, we need to find a combination of atomic numbers that add up to 200, using numbers from 1 to 118.
Step 2: List the elements with even atomic numbers close to 100.
To make the addition process easier, let's look for elements with even atomic numbers near 100. This is because even numbers can be paired up more easily. We find the following elements: - Calcium (Ca) with atomic number 20 - Nickel (Ni) with atomic number 28 - Zircon (Zr) with atomic number 40 - Palladium (Pd) with atomic number 46 - Yttrium (Y) with atomic number 39
Final Answer
It is impossible to find a combination of elements that add up to an atomic number of exactly 200.
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