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.
How many periods are in the periodic table? Each horizontal row of elements in the Periodic Table is known as a period. The Periodic Table consists of seven periods, from Period 1 to Period 7. Table shows the changes in the proton numbers and number of valence electrons when going across Period 2. Element in Period 2