In Which of the Following Sets Do All Species Have

question 139

Multiple Choice

In which of the following sets do all species have the same number of protons?

• A)At^-,Rn,Ra²⁺
• B)C,N^3-,O^2-
• C)CO³⁺,Rh³⁺,Ir³⁺
• D)Br,Co²⁺,Co³⁺

---

Definitions:

Working Memory

Short-term storage of information being actively processed.

Procedural Memory

A type of long-term memory that enables people to perform tasks without conscious awareness of the learned knowledge, such as riding a bike or tying shoelaces.

Neurofibrillary Tangles

Twisted masses of protein fibers found in brains of persons with Alzheimer’s disease.

Amyloid Plaque

Waxy chunks of insoluble tissue found in brains of persons with Alzheimer’s disease.