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The contents are made up of two materials that form a mixture.
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A compound because its parts cannot be separated through physical means.
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An element is made of a single type of atom, and a compound is made of two or more atoms.
Two pure solids are combined in a 50 ml beaker. The contents are stirred together with no chemical reaction. Which is the best description for the contents of the beaker?(1 point)
Responses
The contents form a compound.
The contents form a compound.
The contents form a solution.
The contents form a solution.
The contents are made up of two different elements.
The contents are made up of two different elements.
The contents are made up of two materials that form a mixture.
ugar is made of carbon, hydrogen, and oxygen atoms. Which statement below best describes sugar?(1 point)
Responses
A mixture because it is made of different kinds of atoms.
A mixture because it is made of different kinds of atoms.
A compound because its parts cannot be separated through physical means.
A compound because its parts cannot be separated through physical means.
A solution because it dissolves when mixed with water.
A solution because it dissolves when mixed with water.
An element because it is a pure substance whose parts cannot be separated.
A student drew pictures to show the differences between elements and compounds.
Which statement can the student support with her pictures?
(1 point)
Responses
An element is very reactive, but a compound is always stable.
An element is very reactive, but a compound is always stable.
An element is made of a single type of atom, and a compound is made of two or more atoms.
An element is made of a single type of atom, and a compound is made of two or more atoms.
An element exists in any state of matter, and a compound can only be in a solid state.
An element exists in any state of matter, and a compound can only be in a solid state.
An element contains multiple substances, and a compound contains only one atom.
1 answer