Chemistry, asked by gulshankr20, 10 months ago

What is the first element of periodic table?  

A.  Sodium 
B.  Helium 
C.  Neon 
D.  Hydrogen

​

Answers

Answered by Adityaanand20
5

Answer:

Hydrogen is the first element of periodic table.

Answered by deepakr30
0

Answer:

The elements are ordered by atomic number, which is the number of protons in the nucleus -- and atomic number 1 is hydrogen

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