A method to calculate new valence electronegativity and the ionicity of chemical bond of the transition metal elements is also presented here.

提出了计算过渡元素价态共价半径的公式;提出了计算过渡元素新价态电负性和化学键的离子性的方法。

Neodymium is a bright, silvery rare-earth metal element, found in monazite and bastnaesite and used for coloring glass and for doping some glass lasers.

1据查，钕是“一种亮银色的稀土金属元素，见于单独在石和氟碳锑矿中存在，用于给玻璃染色和给一些玻光器上色。