1. Which of the following statements correctly describes an element?
A. Element is made up of one substance alone.
B. Element is a pure substance consisting of one type of atom
C. Element is a pure substance made of two different molecules
D. Element is a pure substance that can be broken down into simpler substances.
A. Element is made up of one substance alone.
B. Element is a pure substance consisting of one type of atom
C. Element is a pure substance made of two different molecules
D. Element is a pure substance that can be broken down into simpler substances.
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Answer:
D. Element is a pure substance that can be broken down into simpler substances.
Explanation:
A pure substance is defined as an element if it cannot be broken down into a simpler form. An element is composed of two or more chemically bonded atoms. The periodic table of elements contains a list of all elements.
Answer:
B
Explanation:
any substance that cannot be composed