An Atom's Mass Number Is 13 and Its Atomic Number

question 46

Multiple Choice

An atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?

• A)19
• B)13
• C)7
• D)6

---

Definitions:

Hand-Mouth Coordination

The ability to move the hands and fingers precisely in response to visual stimuli, crucial for tasks such as feeding oneself.

Apgar Scale

A quick test performed on a newborn at 1 and 5 minutes after birth to assess the baby's heart rate, breathing, muscle tone, reflex response, and color.

Preterm

Refers to babies born before 37 weeks of gestation, often facing potential health challenges due to early birth.

Gestation Period

The duration of time between conception and birth in which a fetus develops inside the mother's womb, specific to each species.