<span>The </span>elements are arranged<span> in order of increasing atomic number. Vertical columns(called groups) contain </span>elements with similar properties. Horizontal rows called periods elements with<span> the same number of atomic orbitals(That's why Hydrogen and Helium are separated from the rest of the table).
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Explanation:
Identify the areas of the following atomic model, Explain how these are related to the formatio
2. Because a cumulonimbus cloud is a towering vertical cloud
