Chapter 4.1 Review (7th) Question Preview (ID: 33610)
Elements.
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Which of the following is NOT a physical or chemical change?
a) crushing
b) weighing
c) melting
d) passing electric current
a pure substance that cannot be separated into simpler substances by physical or chemical means
a) metal
b) element
c) metalloid
d) nonmetal
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
a) element
b) metalloid
c) nonmetal
d) pure substance
an element that is shiny and conducts heat and electric current
a) metal
b) element
c) metalloid
d) nonmetal
Boiling point, melting point, and density are some of an element’s
a) nonreactive properties
b) physical properties
c) chemical properties
d) pure properties
An element’s ability to react with acid is an example of a
a) pure substance
b) physical property
c) chemical property
d) melting point
A substance in which there is only one type of particle
a) metal
b) pure substance
c) metalloid
d) gold
An element that conducts heat and electricity poorly
a) metal
b) nonmetal
c) metalloid
d) sulfur
This category of elements are brittle and nonmalleable
a) metals
b) metalloids
c) nonmetals
d)
Which of the following statements describes elements?
a) All of the particles in the same element are different.
b) Elements can be broken down into simpler substances.
c) Elements have unique sets of properties.
d) Elements cannot be joined together in chemical reactions.
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