What Is the Atomic Number of an Atom with 15

question 26

Multiple Choice

What is the atomic number of an atom with 15 electrons, 15 protons, and 16 neutrons?

• A) 16
• B) 15
• C) 31
• D) 46

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Definitions:

Second Trimester

The second trimester is the middle period of pregnancy, spanning from weeks 13 to 26, often marked by reduced morning sickness and the visibly growing belly.

Fetal Organs

The organs inside a fetus that develop during pregnancy, crucial for life support upon birth.

First Trimester

The initial stage of pregnancy that spans from conception to 12 weeks, during which vital development such as implantation, placenta formation, and organ development occurs.

Developing Fetus

A term referring to an embryo that has reached a stage of development where it possesses recognizable human features, often considered to be after the first trimester of pregnancy.