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प्रश्न
Write a short note on the following type of element –
normal elements
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उत्तर
Normal elements OR Representative elements:
“Elements of groups 1, 2, 13, 14, 15, 16, 17 which have all inner shells completely filled with electrons. Only outermost shells are incomplete are called normal elements.”
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संबंधित प्रश्न
Write the name from the description.
The period with electrons in the shells K, L, and M.
Write the name from the description.
The family of metals having valency two.
Write the names from the description.
The metalloids in the second and third periods.
Write a short note on the following type of element –
inner transition elements
State whether true or false. If false, correct the statement.
Group 17 elements are named as Halogens.
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p1’then it will
occupy ______ block of the periodic table.
f-block elements are also known as ______.
Assertion (A): Group 2 elements in the modem periodic table are called alkaline earth metals.
Reason (R): The oxides of group 2 elements produce alkaline solutions when they are dissolved in water.
Answer the following questions related to the modern periodic table.
Name the blocks with the groups that they consist of.
Answer the following questions related to the modern periodic table.
Which block elements are known as transition elements?
