Let U Denote the Set of All Employees at Universal

question 98

Short Answer

Let U denote the set of all employees at Universal Life Insurance Company. Let
​ ​
Match each description below with the letter of the corresponding set.
​
a. b. c. d.
-drinks tea and coffee

---

Definitions:

Element

A pure chemical substance consisting of one type of atom, distinguished by its atomic number, which is the number of protons in its nucleus.

Isotope

Atoms of the same element that have different numbers of neutrons in their nuclei, leading to different atomic masses but the same chemical behavior.

Neutrons

Tiny particles located within an atom's nucleus, possessing no electrical charge and having a mass that is marginally higher than protons.

Isotope

Variants of an element that contain the same number of protons but different numbers of neutrons in their nuclei.