Use principles of atomic structure,bonding,and/or intermolecular forces to respond to each of the fo
题目
Use principles of atomic structure,bonding,and/or intermolecular forces to respond to each of the following.Your responses must include specific information about all substances referred to in each question.
d) A certain element has two stable isotopes.The mass of one of the isotopes is 62.93 amu and the mass of the other isotope is 64.93 amu.
(i) Identify the element.Justify your answer.
(ii) Which isotope is more abundant?Justify your answer.
答案
好像是说一种元素有两种稳定同位素 一个原子量为62.93一个为64.93
问题1.判断这是什么元素,证明你的答案
问题2:那一种同位素占得比例更大,说明你的答案.
我觉得是CU,铜 62.93这种同位素占得比例更大
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点