%%

Gaokao Chemistry Practice Question

短周期元素 $\mathrm{X} $、$ \mathrm{Y} $、$ \mathrm{Z} $、$ \mathrm{~W} $、$ \mathrm{Q}$ 原子序数依次增大。基态 $\mathrm{X} $、$ \mathrm{Z} $、$ \mathrm{Q}$ 原子均有两个单电子, $\mathrm{W}$ 简单离子在 同周期离子中半径最小, $\mathrm{Q}$ 与 $\mathrm{Z}$ 同主族。下列说法错误的是

  1. A.$\mathrm{X}$ 能与多种元素形成共价键
  2. B.简单氢化物沸点: $\mathrm{Z}<\mathrm{Q}$
  3. C.第一电离能: $\mathrm{Y}>\mathrm{Z}$
  4. D.电负性: $\mathrm{W}<\mathrm{Z}$

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Chemistry questions