[填空题]
Lithium is a low-density alkali metal that reacts vigs.6usxv d1ts8 , 5j)*cm.qz1bqzx rnco+vh a1oy(zsldnifw *o- .z. /qrously with water.
1.Given the below data and referring to the periodic table, calculate the relative abundances of the isotopes of lithium.
Isotope is Li, Atomic Mass is 6.015
Isotope is Li, Atomic Mass is 7.016
The relative abundances of each isotope are % for Li-6 and %for Li-7
2.State the definition of an isotope.
3.Outline the concept of relative abundance.