Question

Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.

Answer 1

From the elements – He, Br, Pt and O ; the element which is metallic is Pt, an inert element is He, forms a triatomic molecule is O, is liquid at room temperature is Br.