Why do you think the noble gases are placed in a separate group ?
Why do you think the noble gases are placed in a separate group ?
Noble gases are inert elements. Their properties are different from the all other elements. Therefore, the noble gases are placed in a separate group.
Similar Questions
By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic ?
$Ga$ $Ge$ $As$ $Se$ $Be$
By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic ?
$Ga$ $Ge$ $As$ $Se$ $Be$
Nitrogen (atomic number $7$) and phosphorus (atomic number $15$) belong to group $15$ of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?
Nitrogen (atomic number $7$) and phosphorus (atomic number $15$) belong to group $15$ of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?
What property do all elements in the same column of the Periodic Table as fluorine have in common?
What property do all elements in the same column of the Periodic Table as fluorine have in common?
Use Mendeléev’s Periodic Table to predict the formulae for the oxides of the following elements :
$K,\, C,\, Al,\, Si,\, Ba$.
Use Mendeléev’s Periodic Table to predict the formulae for the oxides of the following elements :
$K,\, C,\, Al,\, Si,\, Ba$.
Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements ?
Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements ?