Intro to Phys Sci Final Exam Fall 2024

Front

What is a charged atom called?

Back

An ion.

Front

What type of relationship exists when one variable increases while the other decreases?

Back

Indirect relationship.

Front

Are atoms most stable when their outer shell is filled with electrons?

Back

True.

Front

What are valence electrons?

Back

The electrons in the outermost energy level.

Front

How many electrons does Rb^{-3} have?

Back

40.

Front

What is the definition of an ion?

Back

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have eight electrons in their outer shell.

Front

What is an example of a direct relationship?

Back

As temperature increases, the volume of a gas increases (at constant pressure).

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.