Look at the Periodic Table. Hydrogen at. # 1, Helium, at.# 2, Lithium, at. # 3 etc.
Nitrogen has the smallest atomic number among the elements listed. Aluminum has an atomic number of 13, Potassium has an atomic number of 19, and Nitrogen has an atomic number of 7.
Hydrogen is a non metal element. Atomic number of it is 1.
Hydrogen is a gas element. It had the smallest atomic number.
The lantanides (6f-block elements) start, after 57Lantanium, with atom number 58, Ce, to end with 71Lu
Hydrogen and Helium
no, hydrogen has the smallest size among all elements
hydrogen and lithium
Nitrogen has a much smaller atomic number, specifically 7, than either chromium (24) or radon (86).
The noble gas with the smallest atomic number is helium, with an atomic number of 2.
The arrangement of atoms by increasing atomic number are shown in the periodic table.This can be seen from starting at H (Hydrogen) which has the smallest number of atoms and continues on from left to right.
It is helium that has the smallest atomic radius. Use the link below to see a list of elements arranged by atomic radius.
Yes, elements can be ordered by their atomic number. The atomic number of an element corresponds to the number of protons in an atom's nucleus, and elements are arranged in the periodic table from lowest to highest atomic number.