When Thorium (A = 90) Emits a Beta Particle, the Resulting

question 111

Multiple Choice

When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number

• A) 88.
• B) 92.
• C) 90.
• D) 89.
• E) none of these

---

Definitions:

Promisor

A party who makes a promise or commitment in a contract.

Past Consideration

Refers to something of value that was given or an act that was performed in the past, which cannot be considered valid consideration for a current contract.

Binding Contract

A binding contract is an agreement between two or more parties that is enforceable by law, signaling that all parties have accepted the terms whether written or oral.

Employment Setting

Refers to the place or context in which employment occurs, including physical locations, organizational environments, and remote or virtual workplaces.