When a proton is accelerated through $1\,V,$ then its kinetic energy will be........$eV$.

The radius of an atom is of the order of

$A$ solid element $Y$ conducts electricity and forms two types of chlorides: $YCl_n$ (a colorless volatile liquid) and $YCl_{n-2}$ (a colorless solid). To which group does element $Y$ belong?

An infinitely long straight conductor $AB$ is fixed and a current $i_1$ is passed through it. Another movable straight wire $CD$ of finite length carrying current $i_2$ is held perpendicular to it and released. Neglect the weight of the wire.

Which of the following statements is correct?

Which one of the following molecules contains both ionic and covalent bonds?