What Value of Z (Atomic Number) and a (Mass Number)

question 59

Multiple Choice

What value of Z (atomic number) and A (mass number) result in the following β-decay?

• A) Z = 5; A = 14
• B) Z = 4; A = 10
• C) Z = 6; A = 14
• D) Z = 7; A = 14
• E) Z = 7; A = 13

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Definitions:

Oviparous

Bearing young in the egg stage of development; egg laying.

Caudata

An order of amphibians that includes salamanders, known for their tail throughout life and regeneration abilities.

Tetrapods

Four-limbed vertebrates: the amphibians, reptiles, birds, and mammals.

Actinopterygii

Actinopterygii, commonly known as ray-finned fishes, constitute a class of bony fishes characterized by the radiating structure of their fins, which are supported by bony spines.