Hydrogen is a gas in group IA of the periodic table with atomic number 1, an atomic weight of 1.008 ... Three isotopes exist, hydrogen with one proton in the nucleus, deuterium with a proton and ...

Forget 10 Downing Street or 1600 Pennsylvania Avenue, the most prestigious address in the universe is number one in the periodic table, hydrogen. In science ... known at that), deuterium with an added ...

FERMI and his collaborators 1 have reported that neutrons slowed down by collisions in substances containing hydrogen are captured by many nuclei very much more frequently than are fast neutrons.

There are currently 118 known elements listed on the periodic table; from hydrogen, which has a single ... its atoms (118 ...

Currently, there are 118 known elements on the periodic table, from hydrogen all the way to oganesson ... the isotope plutonium-244 with additional neutrons and vaporized ions of titanium.