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Question
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the name of the element.
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Solution
The name of the element is Aluminium.
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RELATED QUESTIONS
Two elements ‘P’ and ‘Q’ belong to the same period of the modern periodic table and are in Group 1 and Group 2, respectively. Compare their following characteristics in tabular form:-
(a) The number of electrons in their atoms
(b) The sizes of their atoms
(c) Their metallic character
(d) Their tendencies to lose electrons
(e) The formula of their oxides
(f) The formula of their chlorides
Given below are some elements of the modern periodic table. Atomic number of the element is given in parentheses.
A(4), B(9), C(14), D(19), E(20)
(a) Select the element that has one electron in the outermost shell. Also, write the electronic configuration of this element.
(b) Which two elements amongst these belong to the same group? Give reasons for your answer.
(c) Which two elements amongst these belong to the same period? Which one of the two has bigger atomic radius?
Define the term : Valency
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is ______.
How does the valency of elements vary in going down a group of the periodic table?
How do electronic configurations of elements change in second period of periodic table with increase in atomic numbers?
In which part of a group would you separately expect the elements to have the greatest metallic character
In terms of electronic configurations, explain the variation in the size of the atoms of the elements belonging to the same period and same group ?
Name the non-metals present in period 2 and metals in period 3.
What is modern periodic law?
