Advertisements
Advertisements
Question
State whether true or false. If false, correct the statement.
Group 17 elements are named as Halogens.
Options
True
False
Solution
Group 17 elements are named as Halogens- True
APPEARS IN
RELATED QUESTIONS
Write the name from the description.
The family of metals having valency one.
Write the name from the description.
The metalloids in the second and third periods.
Write the name from the description.
Two elements having valency 4.
What is the main characteristic of the last elements in the periods of a periodic table? What is the general name of such elements?
Name or state following with reference to the element of the first three periods of the periodic table.
The periods which contain the inner transition elements.
d-block elements are otherwise known as ______.
What are the s-block elements?
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.
Assertion (A): Noble gases are chemically inert in nature.
Reason (R): Noble gases have stable electronic structures.
Write the answer to the questions with reference to the periodic table.
- What do (A), (B), (C), and (D) represent? [1]
- Elements are arranged in increasing order of their ______. [1]
- Write the electronic configuration of the first four elements in Group I. [1]
- What change in atomic radius is observed in moving from left to right in a Period? [1]
- Give a reason for (d). [1]
