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Classify each pure substance as an element or a compound.(a) carbon(b) baking soda
Chapter 3, Problem 32P(choose chapter or problem)
QUESTION:
Classify each pure substance as an element or a compound.
(a) carbon
(b) baking soda (sodium bicarbonate)
(c) nickel
(d) gold
Questions & Answers
QUESTION:
Classify each pure substance as an element or a compound.
(a) carbon
(b) baking soda (sodium bicarbonate)
(c) nickel
(d) gold
ANSWER:Step 1 of 2
An element is a substance consisting of atoms which all have the same number of protons - i.e. the same atomic number. Elements are chemically the simplest substances and hence cannot be broken down using chemical methods.
A compound is a substance formed when two or more chemical elements are chemically bonded together. Two types of chemical bonds common in compounds are covalent bonds and ionic bonds