Radioactive Carbon ${ } ^ { 14 } \mathrm { C }$

question 149

Multiple Choice

Radioactive carbon, ${ } ^ { 14 } \mathrm { C }$ , has a has a half-life of 5730 years. After 1000 years, 3.7 grams remain. What was the initial quantity of ${ } ^ { 14 } \mathrm { C }$ ? Round your answer to two decimal places.

• A)4.18 grams
• B)3.90 grams
• C)4.35 grams
• D)6.98 grams
• E)3.94 grams

---

Definitions:

Erikson's Developmental Tasks

A series of psychosocial challenges identified by Erik Erikson that individuals must navigate throughout their life, each stage presenting its own unique challenge and potential for growth.

Intimacy Versus Isolation

A psychosocial stage proposed by Erikson focusing on the development of close, fulfilling relationships in early adulthood.

Identity Versus Confusion

A psychological stage proposed by Erik Erikson indicating the struggle young people face in developing a personal identity.

Families of Origin

Families of Origin refer to the family unit one is born into or raised by, encompassing parents and siblings, which influences an individual's development and behaviors.