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Write the names and the atomic numbers (...

Write the names and the atomic numbers `(Z)` of the following elements:
a. The fourth alkaline earth metal
b. The fifth alkali metal
c. The sixth element of the first transition series
d. The second inner transition elements and
e. The third noble gas

Text Solution

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a. `Sr (Z = 38)`
b. `Cs (Z = 55)`
c. `Fe (Z = 26)`
d. `Pr (Z = 59)`
e. `Ar (Z = 18)`
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