Which one of the following is the correct statement?

Identify the correct statements about $p$-block elements and their compounds.
$(A)$ Non-metals have higher electronegativity than metals.
$(B)$ Non-metals have lower ionisation enthalpy than metals.
$(C)$ Compounds formed between highly reactive non-metals and highly reactive metals are generally ionic.
$(D)$ The non-metal oxides are generally basic in nature.
$(E)$ The metal oxides are generally acidic or neutral in nature.

What are electron-deficient compounds? Are $BCl_3$ and $SiCl_4$ electron-deficient species?

Boric acid is solid,whereas $BF_3$ is gas at room temperature because of

Which of the following complex ions does not exist?

Which of the following substances is the strongest acid?