Chemistry, asked by gulshankr20, 1 year 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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