Hydrogen is the first element in the Periodic Table of Mendeleev - atomic number 1.
Hydrogen is placed in the group and period 1 of this table.
it is on its own at the top of the table
1
Hydrogen is a non-metal; it's in group VII
Hydrogen is in the periodic table because it is an element, and all elements are in the periodic table.
Chlorine is in Group 17 of the Periodic Table.
It has 1 valence electron!
The smallest atom in the periodic table is hydrogen, not fluorine.
Hydrogen is located in Group 1A of the Periodic Table.
Hydrogen is found in group 1 row 1 of the periodic table
group one
Hydrogen
it is placed in group 1
Hydrogen is a non-metal; it's in group VII
No, hydrogen is not its own group on the periodic table. It is located in Group 1, but it is not a typical alkali metal like the elements in that group. Hydrogen is unique because it has properties of both metals and nonmetals, and its placement in the periodic table is a subject of debate among chemists.
Group I, Nonmetals, Gases
It is placed in group 1, period 1 on the modern periodic table
In the first group of modern periodic table,i.e from hydrogen to francium.
Hydrogen is, and always will be, Group 1 Period 1.
Classification of hydrogen is: group 1, period 1 in the periodic table of Mendeleev; hydrogen is the first element in this table.