Scelta multipla
In the classification of matter, which element must be present in an organic compound?
70
views
3. Matter and Energy
Classification of Matter
Scelta multipla
In the classification of matter, table salt is primarily sodium chloride, . How is table salt best classified?
A
A heterogeneous mixture, because it has visibly different parts
B
A compound, because it consists of sodium and chlorine chemically bonded in a fixed ratio
C
An element, because it cannot be broken down into simpler substances
D
A homogeneous mixture, because it contains variable amounts of sodium and chlorine
Guida verificata passo dopo passo1
Recall the basic classifications of matter: elements, compounds, homogeneous mixtures, and heterogeneous mixtures.
Understand that an element is a pure substance that cannot be broken down into simpler substances by chemical means.
Recognize that a compound is a pure substance composed of two or more elements chemically bonded together in a fixed ratio.
Identify that a homogeneous mixture has a uniform composition throughout but consists of physically combined substances, not chemically bonded.
Note that a heterogeneous mixture has visibly different parts or phases and is not uniform throughout.
Video correlati
Pratica correlata
