钠 元素符号 Na 原子 原子半径/Å:2.23
镁 元素符号 Mg 原子 原子半径/Å:1.72
钾 元素符号 K 原子 原子半径/Å:2.77
综上：原子半径大小：钾 》 钠》 镁
猜你喜欢
- 1There_____ any schools in our village before,是wasn't还是weren't?为何?5min内悬赏50财富,
- 2____in an accident,he was sent to the hospital.
- 3同义句 1.Here are 30 classmates in my class.There are more.I have ____ ____ 30 classmates in my
- 4古希腊人常用小石子在沙滩上摆成各种形状来研究数,例如：他们研究过1.3.6.10……由于这些数能够表示成三
- 5知道半径和玄长,算弧长?
- 6我妈妈每天早上做家务英语
- 72)B(3,1)则到AB两点距离相等的点的坐标满足的条件是
- 8Whenever we answered incorrectly,she pointed a long stick at us and ,shaking it up and down ,shouted,"NO,NO,NO!"
- 9it seems that she is always sad 的同义句 she always ______ ____
- 10有两根绳子,一根长48米,另一根长32米,把它们剪成同样长的小段,段小段最长是几米?一共可以减多少段?