Noble gases：練習題

Which statement correctly describes the chemical reactivity of the Group VIII noble gases?

What is the electronic configuration of an atom of Neon? (Proton number of Neon = 10)

An element is in Period 3 and Group VIII of the Periodic Table.
Which row correctly describes the number of occupied electron shells and the number of outer-shell electrons in an atom of this element?

Which of the following elements is a noble gas?

Why are elements in Group VIII of the Periodic Table chemically unreactive?

Explain why argon is described as a monatomic gas and why it is chemically unreactive.

Give one specific use of helium and explain why its properties make it suitable for this application.

Predict the physical state and chemical reactivity of Radon (atomic number 86) at room temperature, justifying your predictions based on its position in the Periodic Table.

Noble gases are located in Group VIII (or Group 0) of the Periodic Table.

(a) Explain why the noble gases are chemically unreactive in terms of their electronic configuration.
(b) State one use for Argon and one use for Helium.