In atom has electronic configuration 2,8,7.(a) What is the atomic numb

1.	In atom has electronic configuration 2,8,7.(a) What is the atomic number of this element?(b) To which of the following Elements would it be chemically similar(atomic numbers are given in parenthesis)N(7). F(9). P(15). Ar(18)
Answer» EXPLANATION: The atomic number of this ELEMENT can be obtained by adding all the electrons PRESENT in its ELECTRONIC configuration. So the atomic number of the given element having electronic configuration 2, 8,5 is 2+8+7=17.

In atom has electronic configuration 2,8,7.(a) What is the atomic number of this element?(b) To which of the following Elements would it be chemically similar(atomic numbers are given in parenthesis)N(7). F(9). P(15). Ar(18)

Answer»

The atomic number of this ELEMENT can be obtained by adding all the electrons PRESENT in its ELECTRONIC configuration. So the atomic number of the given element having electronic configuration 2, 8,5 is 2+8+7=17.

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In atom has electronic configuration 2,8,7.(a) What is the atomic number of this element?(b) To which of the following Elements would it be chemically similar(atomic numbers are given in parenthesis)N(7). F(9). P(15). Ar(18)​

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In atom has electronic configuration 2,8,7.(a) What is the atomic number of this element?(b) To which of the following Elements would it be chemically similar(atomic numbers are given in parenthesis)N(7). F(9). P(15). Ar(18)