If the Sum Total Mass of Reactants in a Nuclear

question 5

Multiple Choice

If the sum total mass of reactants in a nuclear reaction is greater than that of product particles,then which of the following statements best describes the conditions of the reaction?

• A)reaction is exothermic
• B)reaction is endothermic
• C)atomic number of each reactant must be greater than 40
• D)atomic number of each reactant must be less than 80

---

Definitions:

Prenatal Development

The procedure of evolving and enlarging within the womb, starting at conception and concluding at birth.

Zygotic Stage

The earliest developmental stage of an embryo, starting from fertilization until it becomes a blastocyst before implantation.

Motor Skills

The abilities required to execute physical actions, such as walking, jumping, or writing, which involve the coordination of muscles and the nervous system.

Cross-Cultural Development

The study of how cultural factors influence human development, behaviors, and emotions across different societies.