Name the type of elements which have outermost shell complete.

One Line Answer

Noble gases

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Chapter 1: Periodic Table, Periodic Properties and Variations of Properties - lntext Questions [Page 5]

Chapter 1 Periodic Table, Periodic Properties and Variations of Properties
lntext Questions | Q 15. (i) | Page 5

Fill in the following blank with suitable word:

Group 18 elements are called ...............

How do the atomic radii of elements change as we go from left to right in a period of the periodic table?

From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?

Give the group number of following elements present in periodic table

Give the symbol and valency of the following element and radical.

Sulphate

Group 13 to 18 : p block : : _______ : d block

Write scientific reason.

There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.

What are groups and periods in the modern periodic table?

Spot the error:

There are 5 periods and 17 groups in the modern periodic table.

Match the atomic number with the following:

An element of group 2.