Answers

2014-06-24T11:16:18+08:00

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The firs periodic is h is smallest elemant os than

0
2014-06-24T12:34:06+08:00

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Hydrogen is the first element. Its chemical symbol is H.

Since, the elements in the periodic table are arranged in increasing atomic number (number of protons), an atom of Hydrogen has only 1 proton. It is also the lightest element.
0