Advertisements
Advertisements
प्रश्न
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing metallic character)
उत्तर
Li < Na < K < Rb < Cs
संबंधित प्रश्न
Is is metal or non-metal?
Answer the following in respect of element `31/15 P `
What is its valency?
Give the trend in metallic character:
(i) across the period left to right
Name the periodic property which relates to the character of element which loses one or more electrons when supplied with energy.
A metal M forms as oxide having the formula M2O3. It belongs to third period. Write the atomic number and valency of the metal.
Study the extract of the Periodic Table given below and answer the questions that follow. Give the alphabet corresponding to the element in question. DO NOT repeat an element.
Which non-metallic element has the valency of 2?
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?
The metallic character of the element decreases moving across a period from left to the right.
The metal which is hard and has a high melting point and used in filaments of electrical bulbs is ______
Three elements B, Si and Ge are