Multiple Choice
Why is the periodic table organized into groups?
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2. Atoms & Elements
Periodic Table: Group Names
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Which of the following elements would you expect to be chemically most similar to nitrogen?
A
Sulfur
B
Oxygen
C
Phosphorus
D
Carbon
Verified step by step guidance1
Identify the position of nitrogen in the periodic table. Nitrogen is in Group 15 (the pnictogens) and Period 2.
Recall that elements in the same group (vertical column) of the periodic table have similar chemical properties because they have the same number of valence electrons.
Look at the options and determine which element is in the same group as nitrogen. Phosphorus is also in Group 15, while sulfur is in Group 16, oxygen is in Group 16, and carbon is in Group 14.
Since phosphorus shares the same group as nitrogen, it has similar valence electron configuration, leading to similar chemical behavior.
Therefore, phosphorus is chemically most similar to nitrogen due to their shared group and valence electron structure.
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