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प्रश्न
On moving down the group metallic character increases.
विकल्प
Right
Wrong
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उत्तर
On moving down the group metallic character increases- Right
संबंधित प्रश्न
Arrange the following as per the instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing order of metallic character).
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
Is it a metal or a non-metal?
How does the chemical reactivity of
alkali metals vary?
Complete the following sentences
Moving across a ………….. of the periodic table the elements show increasing ………………..character (group, period, metallic, non-metallic).
Choose the correct answer.
An alkaline earth metal
(i) Lead
(ii) potassium
(iii) calcium
(iv) Copper
Mg2+, Cu2+, Na1+, H1+ (In the order of preferential discharge at the cathode)
Among the elements of the second period, Li to Ne, pick out the element that is the most reactive non-metal
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.
Identify the metallic oxide which is amphoteric in nature.
Arrange the following elements in order of their decreasing metallic character.
Na, Si, Cl, Mg, Al
Write the name.
Two elements having two orbits.
Electronegativity is the metallic property of an element.
Write an explanation.
Electropositivity
Write a scientific reason.
The non-metallic character increases while going from left to right in a period.
3, 1, 2 electrons are in valence shells of X, Y, Z elements resp. From this information, write the name of the groups it belongs to and its valency.
Which of the following set of elements is written in order of their increasing metallic character?
Which of the following set of elements is written in order of their increasing metallic character?
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
Choose the odd one out and write the reason:
Choose the odd one out and write the reason:
