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प्रश्न
Write the names from the description.
Non-metals in the third period.
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उत्तर
The third period includes only 4 non-metals. These are as follows.
- Phosphorous (P)
- Sulfur (S)
- Chlorine (Cl)
- Argon (Ar)
संबंधित प्रश्न
Write the name from the description.
The family of metals having valency one.
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.
What is the main characteristic of the last elements in the periods of a periodic table? What is the general name of such elements?
Write a short note on the following type of element –
inner transition elements
Write a short note on the following type of element –
normal 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 ______.
______ block element is placed at the bottom of the periodic table.
What are the s-block elements?
What are the p-block elements
Group 1 (except hydrogen) elements are called alkali metals.
d-block elements are called transition 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.
Answer the following questions related to the modern periodic table.
Which block elements are known as transition elements?
Answer the following questions related to the modern periodic table.
How are elements placed around the zig-zag line in the p-block of the periodic table?
