Below Are Four Compounds

question 4

Multiple Choice

Below are four compounds.Choose the statement below that BEST describes these four. ​
CH₂O Ti₂O₃ MgO H₂O
I II III IV
​

• A) All of these are ionic compounds.
• B) I and II are covalent molecules, whereas III and IV are ionic.
• C) II and III are ionic, whereas I and IV are covalent.
• D) I, III, and IV are covalent, whereas II is ionic.
• E) All of these are covalent molecules.

---

Definitions:

Neuron's Cell Body

The part of a neuron that contains the nucleus and is essential for the cell's metabolic activities and health.

Cephalocaudal

A principle of physical growth that states development progresses from the head down to the rest of the body.

Proximodistal

A pattern of development where growth starts at the center of the body and moves towards the extremities.

Locomotion

Movement from one place to another.