Question

element "A" belong to 3rd period and group 1 of the modern periodic table.which metal metal in the group is least reaction​

Answer 1

Answer:

Na, Mg and Al are the elements of the 3^rd period of the Modern Periodic Table having group number 1, 2 and 13 respectively. Which one of these elements ... · इस पेज का अनुवाद करें

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Answer 2

Explanation:

Since element

belongs to group 1 it has 1 valence electron in its atom. (ii) The valency of group 1 element is 1 . So, the valency of element

is 1. (iii) Group 1 is on the left side of periodic table and consists of metals. So element

is a metal. (iv) The first element of third period is sodium. So the element

is sodium

(v) Group 1 is to alkali metals, therefore, element

belongs to alkali metal family.