Read each d check Yes and enter the chemical symbol of an element that matches.

Question

Read each d check Yes and enter the chemical symbol of an element that matches. Otherwise check No in the second column. tion in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description Does any elementthe symbol of an element match the description? If you checked yes, give description that matches. An element in Period 3 and Group 2A. Yes No A nonmetal in Group 7A. Yes ONo An element in the nitrogen family with a lower atomic number than No No A transition element in Period 6

Explanation / Answer

The only element in period 3 and Group 2A is Magnesium ( SYmbol = Mg )

The halogens belong to the group 7A . An example is Flourine ( Symbol = F )

Calcium has an atomic number of 20 and Nitrogen family has only 2 such elements whose atomic number is less than 20. They are Nitrogen ( Symbol = N, At. number = 7 ) and Phosphorus ( Symbol = P , At. number = 15 )

There are so many transition elements in period 6. One of them being Hafnium ( Symbol = Hf )

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