Advertisements
Advertisements
प्रश्न
On moving down the group metallic character increases.
विकल्प
Right
Wrong
Advertisements
उत्तर
On moving down the group metallic character increases- Right
APPEARS IN
संबंधित प्रश्न
Arrange the following as per the instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing order of metallic character).
Answer the following in respect of element `31/15 P `
What is its valency?
How do the following change on moving from left to right in a period of the periodic table?
Give examples in support of your answer.
Nature of oxides of the elements ?
A metal M forms as oxide having the formula M2O3. It belongs to third period. Write the atomic number and valency of the metal.
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last). Answer the following question in relation to the given group of elements:
Which element has the most metallic character?
Write the name.
The atom having the smallest atomic radius from zero group.
Write the name.
Two elements having two orbits.
Electronegativity is the metallic property of an element.
Write an Explanation.
Electropositivity
Write scientific reason.
The metallic character of elements increases while going down the groups.
The metal which is hard and has a high melting point and used in filaments of electrical bulbs is ______
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
Identify the elements with the following property and arrange them in increasing order of their reactivity
- An element which is a soft and reactive metal
- The metal which is an important constituent of limestone
- The metal which exists in liquid state at room temperature
Which of the following metal (s) do not react with water?
Choose the odd one out and write the reason:
Metals are good ______ because they are electron ______.
The given table shows elements with the same number of electrons in its valence shell.
| Elements | A | B | C |
| m.p. | 63.0 | 180.0 | 97.0 |
Arrange them in order of increasing metallic character.
