To Which group and period should hydrogen be assigned?

Let, the element with atomic number 117 is discovered today.Which group of the periodic table wil be most suitable for it?Give reason.

The atomic mass of hydrogen

What is hydrogen electrode?

State the modern periodic law. How many groups and periods are present in modern periodic table?

Let an atom with atomic number 119 is discovered today. Which group of the Periodic Table will be suitable for its placement?

To obtain the velocity of sound is hydrogen as same as velocity of sound in oxygen at 800^@C , what should be the temperature.

Which isotope of hydrogen is radioactive?

The elements of which group are called noble gases?