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प्रश्न
The tendency of an element to form cation is the _______ character of that element.
विकल्प
non metallic
basic
metallic
acidic
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उत्तर
The tendency of an element to form cation is the metallic character of that element.
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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).
Metallic character and non-metallic character are periodic properties discuss ?
Name the periodic property which relates to the character of element which loses one or more electrons when supplied with energy.
How does the chemical reactivity of
alkali metals vary?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing non – metallic character
Which has the maximum metallic character Na, Li or K?
For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| H | He | ||||||
| A | B | ||||||
| C | D |
Will the most metallic element be found at A,B,C or D ?
State whether the following statement is true or false
All members of zero group are non metals.
Supply the missing word from the words given in brackets.
If an element has one electron in its outermost energy level, then it is likely to be _ (metallic, non metallic)
Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The element at the bottom of a group would be expected to show ______ metallic character than the element at the top.
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 metallic character of the element decreases moving across a period from left to the right.
Write an Explanation.
Electropositivity
A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?
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?
Three elements B, Si and Ge are
Which of the following metal (s) do not react with water?
Choose the odd one out and write the reason:
