摘要：Periodicity is the study ofpatternsin the chemical or physical properties of elements goingacross the periodsof the periodic table
Periodicity is the study of patterns in the chemical or physical properties of elements going across the periods of the periodic table.
来源：安娜说留学
免责声明：本站系转载，并不代表本网赞同其观点和对其真实性负责。如涉及作品内容、版权和其它问题，请在30日内与本站联系，我们将在第一时间删除内容!
