CHEMISTRY 103 UW-MADISON
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+
Question: How would you describe a pure substance that is comprised entirely
of a single variety of atom?
Answer: ✔️✔️ This is known as an Element. It represents the simplest form of
matter and cannot be broken down into anything simpler through either physical
means or chemical reactions.
Question: Of all the elements found on the periodic table, how many are known
to occur naturally within the environment?
Answer: ✔️✔️ There are 92 naturally occurring elements, ranging from
Hydrogen to Uranium.
Question: What is the term for the most basic unit of an element that still holds
all the unique chemical identities of that element?
Answer: ✔️✔️ That unit is the Atom. It is the fundamental building block of
matter that defines the characteristics of an element.
Question: What do you call a pure substance that is formed when two or more
distinct elements are chemically bonded together?
Answer: ✔️✔️ This is a Compound. Compounds possess unique properties that
are often completely different from the individual elements that make them up.
What are compounds held together with? -ANSWER ✔️✔️Bonds. Ionic or
Covalent.
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+
Question: How would you describe a pure substance that is comprised entirely
of a single variety of atom?
Answer: ✔️✔️ This is known as an Element. It represents the simplest form of
matter and cannot be broken down into anything simpler through either physical
means or chemical reactions.
Question: Of all the elements found on the periodic table, how many are known
to occur naturally within the environment?
Answer: ✔️✔️ There are 92 naturally occurring elements, ranging from
Hydrogen to Uranium.
Question: What is the term for the most basic unit of an element that still holds
all the unique chemical identities of that element?
Answer: ✔️✔️ That unit is the Atom. It is the fundamental building block of
matter that defines the characteristics of an element.
Question: What do you call a pure substance that is formed when two or more
distinct elements are chemically bonded together?
Answer: ✔️✔️ This is a Compound. Compounds possess unique properties that
are often completely different from the individual elements that make them up.
What are compounds held together with? -ANSWER ✔️✔️Bonds. Ionic or
Covalent.