Advertisements
Advertisements
Question
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing metallic character)
Solution
Cs, Na, Li, K, Rb (increasing metallic character)
Li < Na < K < Rb < Cs
APPEARS IN
RELATED QUESTIONS
Write the electronic configuration of K and Ne.
Consider two elements 'X' (Atomic number 17) and 'Y' (Atomic number 20)
(i) Write the positions of these elements in the modern periodic table giving justification.
(ii) Write the formula of the compound formed by the combination of 'X' and 'Y'.
(iii) Draw the electron-dot structure of the compound formed and state the nature of the bond formed between the two elements ?
Which element has:
twice as many electrons in its second shell as in its first shell?
What will be the valency of an element of atomic number 9 (nine)?
State whether the following statement is true or false
Similar electronic configuration is repeated after intervals of 2, 8, 8, 18 and 32.
What is the common feature of electronic configurations of the elements at the end of period 2 and period 3?
Choose the most appropriate answer from the following list of oxides which fit the description.
An oxide which dissolves in water forming an acid.
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the name of the element.
