Fluorine atom contains seven electronsin outermost shell, but its valency is '1'. Predict the reason.

Fluorine atom contains 7 electrons in the outermost shell. But its valency is '1'. Explain.

Cl atom has____electrons in its outermost shell.

Which elements contains 5 electrons in the outermost shell?

Helium is a noble gas with 2 electrons in its outermost shell. Its valency is 0.

Chlorine atoms have seven electrons in the outermost shell. Two chlorine atoms are ready to share on of its elctron to form a bond. Name the bond and represent the diagrammatically.

Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.

Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.

Carbon has 4 valence electrons in its outermost shell, hence it is ……… .