All Elements in the Periodic Table Beyond ____ Have Only

question 9

Multiple Choice

All elements in the Periodic Table beyond ____ have only radioactive isotopes; these mostly decay by ____ emission.

• A) Bi; alpha
• B) Po; beta
• C) Ra; alpha
• D) U; beta
• E) Pu; gamma

---

Definitions:

Valid Argument

An argument such that its premises logically imply or entail its conclusion which makes it impossible for all of its premises to be true and its conclusion to be false.

Denying the Consequent

A valid form of argument in which, from the premises that if P then Q, and not Q, one concludes not P.

Denying the Consequent

A form of logical argument where, if the premise states that if P then Q, and Q is found to be false, then P is also concluded to be false.

GPA

Grade point average, a numerical representation of a student's academic performance.