Question

An element has an atomic number of
15 with which of the following
elements will it show similar chemical
properties
a) Be (4)
b) Ne (10)
c) N(7)
d) O(8)​

Answer 1

Answer:

Explanation:(c) N (7) ...............................

Answer 2

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c)N

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The answer is Nitrogen because 5 electron present in atomic number 15 and nitrogen have 5 electron in his outermost shell

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History of Nitrogen :

Nitrogen (N) discoverd by Daniel Rutherford in the year 1772

nitrogen name suggests by Jean Antoine Claude Chaptal

Daniel Rutherford was a physician and Jean Antoine Claude Chaptal was a chemist

1. Symbol : N
2. Atomic number : 7
3. Atmlic mass : 14
4. electroic configuration : 2s² 2p³
5. melting point : −209.86 °C
6. boiling point : −195.8 °C

Nitrogen is belong from group 15 in modern periodic table

nitrogen is colour less and nitrogen found in gaseous state. nitrogen is taste less gas

nitrogen is used to make nitric acid nylon

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