Yes, it is.
Hydrogen is the first element on periodic table. Its atomic number is 1.
Hydrogen is found at the very top left of the periodic table. It is the first element on the periodic table and it is shown with the atomic symbol H.
hydrogen
The first elements in the periodic table are hydrogen, helium, lithium, beryllium, boron.
No. It is hydrogen.
Hydrogen is located in Group 1A of the Periodic Table.
Hydrogen is the first chemical element in the Periodic Table of Mendeleev.
Hydrogen is a non-metal; it's in group VII
Hydrogen is located on the first period; the first row in the periodic table.
The first element of the Mendeleev's periodic table is hydrogen (H).
Hydrogen is the first element on periodic table. Its atomic number is 1.
The first element in the periodic table of Mendeleev is hydrogen, not carbon.
Hydrogen is found at the very top left of the periodic table. It is the first element on the periodic table and it is shown with the atomic symbol H.
the nonmetals are located in the right of the periodic table and only one (hydrogen) is located in group 1, period 1
Hydrogen
Hydrogen.
first!