Questions: 15 P 30.97

15 P 30.97
Transcript text: 15 P 30.97
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Solution

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Solution Steps

Step 1: Identify the Second Period Element in Group 5A/15

The second period elements are those in the second row of the periodic table. Group 5A/15 elements include nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The second period element in this group is nitrogen (N).

Step 2: Verify the Atomic Number and Atomic Mass

We need to match the correct atomic number and atomic mass for nitrogen (N). The atomic number of nitrogen is 7, and its atomic mass is approximately 14.01.

Step 3: Match the Correct Option

From the given options, we need to find the one that correctly lists nitrogen with its atomic number and atomic mass:

  • 7 N 14.01

Final Answer

\(\boxed{7 \, \text{N} \, 14.01}\)

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