Explanation: As the element M belongs to group 13 th of the periodic table so it has 3 valence electrons, i.e., it can have +3 oxidation state while oxygen atom (with 2 valency) has −2 oxidation ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Here, a chemist describes group 15 and the crucial role they play in life. The elements that make up each column of the periodic table share a set of common traits. U.S.

Magnesium and calcium are in group 2 of the periodic table. They are less reactive than the metals in group 1. Calcium reacts with water to form calcium hydroxide, Ca(OH) 2 , and hydrogen, H 2 .

The periodic table on the website of the International Union of Pure and Applied Chemistry avoids making a decision about whether La and Ac or Lu and Lr are group 3 elements.