Q41E
Question
Use the periodic table to give the name and symbol for each of the following elements:
(a) The Nobel gas in the same period as Germanium.
(b) The Alkaline earth metal in the same period as selenium.
(c) The Halogen in the same period as lithium.
(d) The Chalcogen in the same period as cadmium.
Step-by-Step Solution
Verified Answer
(a)Krypton . 83Kr36
(b)Calcium . 40Ca20
(c) Fluorine . 19F9
(d)Tellurium . 127Te52
1Step 1: Use the periodic table to find the periods of the given elements.
(a) Germanium belongs to the fourth period. The nobel gas in that period is Kr.
(b) Selenium belongs to the fourth period. The alkaline earth metal of that period is Ca.
(c) Lithium belongs to the second period. The halogen in that period is F.
(d) Cadmium belongs to the fifth period. The chalcogen of that period is Te
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