From the Following List of Observations, Choose the One That

question 49

Multiple Choice

From the following list of observations, choose the one that most clearly supports the conclusion that atoms contain electrons.

• A) the emission spectrum of hydrogen
• B) cathode "rays"
• C) diffraction
• D) the photoelectric effect
• E) the scattering of alpha particles by metal foil

---

Definitions:

Call Option

A financial contract giving the buyer the right, but not the obligation, to buy an asset at a specified price within a specific time.

Expiration

The end of the effective period of a contract, policy, or agreement, often referring to options, futures, or insurance contracts.

Grill Parts Kit

A set of components used for the maintenance, repair, or assembly of a grill.

Washers

are thin plates with a hole, typically used to distribute the load of a threaded fastener, such as a screw or nut.