Atomic number is based on protons in a atom. Hydrogen is in s block. Atomic number one is 1.
Hydrogen is atomic number 1.
The group no. of Lithium is 1 and its period number is 2.
Sodium, Na, is in group 1 period 3 on the periodic table.
Lithium belongs to group 1 on the periodic table, which is known as the alkali metals group. It is located in the first column of the periodic table.
Potassium, K, is in Group 1 of the periodic table
sodium(Na) belongs to the Ist group. This group is also known as alkaline metals.
The group no. of Lithium is 1 and its period number is 2.
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.
group 1
Sodium, Na, is in group 1 period 3 on the periodic table.
Lithium belongs to group 1 on the periodic table, which is known as the alkali metals group. It is located in the first column of the periodic table.
The element Hydrogen is in the group number 1.
Sodium can be found in group 1 and it is listed in the periodic table as part of the alkali metal group.
Hydrogen is found in group 1 row 1 of the periodic table
Hydrogen is included in the periodic table. It is the first element on the table and has an atomic number of 1. It is placed in Group 1 and Period 1 of the periodic table.
Francium is in the group 1 (alkali metals) of the periodic table.
Fr is the element having atomic number 87. It is placed in group-1 and period-7 of Periodic Table.
To find the number of valence electrons of an element using the periodic table, you can look at the group number of the element. The group number indicates the number of valence electrons. For example, elements in Group 1 have 1 valence electron, elements in Group 2 have 2 valence electrons, and so on.