Which element has
$(a)$ a total of three shells, with four electrons in its valence shell?
$(b)$ a total of two shells, with three electrons in its valence shell?
$(c)$ twice as many electrons in its second shell as in its first shell?
Which element has
$(a)$ a total of three shells, with four electrons in its valence shell?
$(b)$ a total of two shells, with three electrons in its valence shell?
$(c)$ twice as many electrons in its second shell as in its first shell?
$(a)$ Silicon has a total of three shells, with four electrons in its valence shell $( 2$ electrons in $K$ shell, $8$ electrons in $L$ shell and $4$ electrons in $M$ shell $)$.
$(b)$ Boron has a total of two shells, with three electrons in its valence shell $( 2$ electrons in $K$ shell and $3$ electrons in $L$ shell $)$.
$(c)$ Carbon has twice as many electrons in its second shell as in its first shell $(2$ electrons in $K$ shell and $4$ electrons in $L$ shell $)$.
Similar Questions
Compare and contrast the arrangement of elements in Mendeléev’s Periodic Table and the Modern Periodic Table.
Compare and contrast the arrangement of elements in Mendeléev’s Periodic Table and the Modern Periodic Table.
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 :
$K,\, C,\, Al,\, Si,\, Ba$.
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?
Name
$(a)$ three elements that have a single electron in their outermost shells.
$(b)$ two elements that have two electrons in their outermost shells.
$(c)$ three elements with filled outermost shells.
Name
$(a)$ three elements that have a single electron in their outermost shells.
$(b)$ two elements that have two electrons in their outermost shells.
$(c)$ three elements with filled outermost shells.
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table ?
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table ?