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The element in Period 4 and Group 1 of the Periodic Table would be classified as a:

A. metal
B. metalloid
C. nonmetal
D. noble gas

Answer :

K. Pottasium is in period 4 and group 1. It would be classified as an Alkali metal, and its a metal!
A.

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Rewritten by : Barada

The element in period 4 and group 1 of periodic table is potassium which is a metal.

How do metallic properties vary in periodic table?

An element is said to possess metallic properties if it has 1,2,3 electrons in its valence shell as these number of electrons can be easily removed by supplying less amount of energy .

Elements present in group 1,2,3 have 1,2,3 valence electrons respectively.Hence, these elements are metals and it is a characteristic property of metals to easily loose electrons.

Hence group 1, 2 are metals which comprises the s-block of the periodic table.Metallic properties increases down the group as distance between valence electrons and nucleus increases due to which they can be easily removed.

Metallic properties decrease along a period as electrons are added to same shell and hence cannot be easily removed.

Learn more about metallic properties,here:

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