Advertisements
Advertisements
प्रश्न
The electronic configuration of an element is 2, 8, 4. State it:
name and write its one physical property.
उत्तर
The atomic number of the given element is 14. Hence, the given element is Silicon. Silicon is a metalloid.
संबंधित प्रश्न
Fill in the blank:
The formulae of chloride of metal M is MCl2. The metal M belongs to ……………. group.
State the trends in physical properties on moving down the group. Give an example to illustrate.
An element X belong to 4th period and 17th group, state.
name of the element.
How do you calculate the possible valency of an element from the electronic configuration of its atoms?
Calculate the valency of element X whose atomic number is 9.
Select the correct answer
Number of shells in potassium are
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 as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
Name or state following with reference to the element of the first three periods of the periodic table.
The formula of the hydroxide of the element having electronic configuration 2, 8, 2.
Select the correct answer from the options given below.
It is a metal in period 2 having electronic configuration 2, 1?
