In the Diagram Below,helium Atoms Are Represented by Unshaded Spheres,neon

question 155

Multiple Choice

In the diagram below,helium atoms are represented by unshaded spheres,neon atoms by gray spheres,and argon atoms by black spheres.
-If the total pressure in the container is 900 mm Hg,what is the partial pressure of helium?

• A)90 mm Hg
• B)180 mm Hg
• C)270 mm Hg
• D)450 mm Hg

---

Definitions:

Symbolic Play

A type of play in which children use objects or actions to represent or symbolize other objects, actions, or concepts.

Rattle

A noise-making toy intended for babies, designed to engage their auditory senses and develop grasping reflexes.

Associative Play

A stage in child development where children play alongside each other but do not directly interact or cooperate.

Onlooker Play

A behavior in early childhood development where a child watches others play but does not join in.