Question

chemically inert atoms always have their outermost electron shell full.
a true
b false

question 8

chemistry is the study of the composition of matter and how matter changes.
a true
b false

Explanation:

First Question (Chemically inert atoms...):

Chemically inert atoms (like noble gases) have a full outermost electron shell, which makes them stable and unreactive. So the statement is true.

The definition of chemistry is the study of matter's composition, structure, properties, and the changes it undergoes. The given statement aligns with this definition. So it is true.

Answer:

A. True

Question 8 (Chemistry is the study...):