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Question
What is meant in the periodic table by a period?
Solution
In a periodic table, elements are arranged in the order of increasing atomic numbers in horizontal rows called periods.
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RELATED QUESTIONS
The position of three elements A, B and C in the Periodic Table are shown below –
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Group 16
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Group 17
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A
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B
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C
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
Give two example of group 1 elements.
State whether the following statement is true or false:
On going down in a group of the periodic table, the number of valence electrons increases.
Give the symbol and valency of the following element and radical.
Zinc
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
Which of the following statements about the Modern Periodic Table is correct:
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
