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प्रश्न
On moving down the group metallic character increases.
पर्याय
Right
Wrong
उत्तर
On moving down the group metallic character increases- Right
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संबंधित प्रश्न
Choose the word or phrase from the brackets which correctly complete the following statement:
Metals are good ______ (oxidizing agents/reducing agents) because they are electron ______ (acceptors/donors).
Arrange the following as per the instructions given in the brackets:
Cl, F, Br, I (increasing order of electron affinity)
In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:
The element B would have ______ metallic character than A.
Metallic character and non-metallic character are periodic properties discuss ?
Give the trend in metallic character:
(i) across the period left to right
Which has the maximum metallic character Na, Li or K?
Write scientific reason.
Metallic character goes on decreasing while going from left to right in a period.
iii) Observe the figure and answer the following questions.
a) Identify the block shown by box A and write an electronic configuration of any one element of this block.
b) Identify the block of element denoted by letter B and write its period number.
In the third period, which is the most metallic and most non-metallic element?
Select the correct answer
Which of the following electronic structure is of a metal?
Use the information given in (a) to (h) to identify the substances P to W selecting your answers from the given list.
List:
Calcium | Oxygen | Copper (II) Oxide |
Carbon | Calcium hydroxide | Copper (II) Nitrate |
Lead (II) Oxide | Hydrogen chloride | Chlorine |
Lead (II) Nitrate | Calcium Oxide | Ammonium chloride |
- P is white solid. When heated produces white fumes (sublime).
- P and R on warming produce an alkaline gas.
- On adding water to T, heat is evolved and R is formed.
- Q burns brightly in the air to form T.
- When S is heated, it gives off brown fumes and leaves a black residue of U.
- A solution of S is formed by warming U with dilute nitric acid.
- V is a gaseous non-metallic element that reacts with hydrogen to form W.
- A solution of W will neutralize the solution of R.
The tendency of an element to form cation is the _______ character of that element.
The tendency of an element to form anion is the ______ character of that element.
Write an Explanation.
Electropositivity
Write an Explanation.
Electronegativity
Which of the following set of elements is written in order of their increasing metallic character?
An element has atomic number 17. To which group, the period does it belong? It is metal or non-metal?
Which of the following metal (s) do not react with water?