Which of the Following Is Not a Key Element of an E-R

question 8

Multiple Choice

Which of the following is not a key element of an E-R model?

• A)Identifiers
• B)Entities
• C)Objects
• D)Attributes
• E)Relationships

---

Definitions:

Atomic Components

The fundamental parts that make up a molecule or substance, typically referring to atoms in chemistry.

Symbolic Notation

A system of symbols used to represent numbers, operations, relationships, or ideas efficiently.

Atomic Components

The basic parts that make up an atom, including protons, neutrons, and electrons.

Symbolic Notation

the use of symbols and signs in a structured manner to represent information, commonly found in mathematics, science, and technology.