how many protons are in molybdenum 10/Apr/2016 Molybdenum WikipediaThere are 35 known isotopes of molybdenum, ranging in atomic mass from 83 to 117, as well as four metastable nuclear isomers Seven isotopes occur naturally, with atomic Lis
DEFINITION of 'Elective-Deferral Contribution'. A contribution arrangement of an employer-sponsored retirement plan under which participants can choose to set aside part of their pretax compensation as a contribution to the plan. Also known as salary-deferral or salary-reduction contributions.. Next Up.
Matching Contributions A matching contribution is an employer contribution that is allocated on the basis of the employeeâs elective contribution. A matching contribution may be either mandatory or discretionary. Matching contributions may be made on an ongoing basis, as deferrals are paid to a trust, or after the end of the plan year. Matching contributions may be subject to discrimination testing under the average contribution percentage (ACP) test. A Very Quick Introduction to 401(k) Plans