If you use opiates for an extended period of time, your body becomes desensitized to the drug. Youâll need more of it to feel its effects. Extended use of opiates changes the structure of nerve cells in your brain. These cells will begin to need the drug just to function properly.
As of 2016, the periodic table has 118 confirmed elements, from element 1 (hydrogen) to 118 (oganesson). Elements 113, 115, 117 and 118 were officially confirmed by the International Union of Pure and Applied Chemistry (IUPAC) in December 2015.
Periods (rows) are the horizontal arrangements of the elements. . Elements in the same Period have the same number of occupied electron shells (energy levels) . There are seven (7) periods on the Periodic Table of the Elements. Periodic Law: The properties of the elements are periodic function of their atomic numbers. In other words, by arranging the elements in the order of increasing atomic numbers, elements with similar. properties end up in the same group.