Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common ?
Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common ?
Both helium $(He)$ and neon $(Ne)$ have filled outermost shells. Helium has a duplet in its $K$ shell, while neon has an octet in its $L$ shell.
Similar Questions
Which element has
$(a)$ two shells, both of which are completely filled with electrons?
$(b)$ the electronic configuration $2,\,8,\,2 ?$
Which element has
$(a)$ two shells, both of which are completely filled with electrons?
$(b)$ the electronic configuration $2,\,8,\,2 ?$
What were the limitations of Newlands’ Law of Octaves ?
What were the limitations of Newlands’ Law of Octaves ?
What property do all elements in the same column of the Periodic Table as boron have in common ?
What property do all elements in the same column of the Periodic Table as boron have in common ?
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)
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?