Periodicity of atomic and ionic radii

Actinides are the group of elements that are the rarest and most radioactive elements in the periodic table. The atomic number lies from 90 to 103, followed by the Actinium. You will find that the elements are prepared artificially. Actinide contraction is the decrease or increase in its atomic number. You can take this article […]

The abnormal rhythm of the heart means or indicates any variation from the typical sequence of electrical impulses generated in the heart. These variations may cause the electrical impulses too quickly, or too late or irregularly, leading to corresponding changes in the heartbeat rhythm, i.e., they occur either too fast or are delayed or erratic.