Question

what is hydrogen write in at one para

Answer 1

Hydrogen is a gas at room temperature . It is very light. It is lighter than air. Gas balloons are filled with Hydrogen gas. They fly into the sky.

Hydrogen contains the smallest and lightest atom of all substances . Acids contain Hydrogen. Water contains Hydrogen along with Oxygen . Hydrogen is used in chemical industry. Hydrogen bomb is a very dangerous atomic bomb. Recently Hydrogen based batteries are being made. They give clean energy. Hydrogen reacts with various substances chemically to form different useful compounds.

Answer 2

Answer:

Ortho and para hydrogens differ in the nature of spins of protons. In ortho, hydrogen, the spins of two protons are in the same direction whereas, in para-hydrogen, the spins of two protons are in the opposite direction.$\Large\mathtt{\fcolorbox{lime}{black}{\pink{xxitzcrazygirlxx1}}}$