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Chemistry Vocab 3
Test Description: Chemistrys
Instructions: Answer all questions to get your test result.
1) Define Metalliod.
A
elements that have a shiny surface (luster), good conductors of heat and electricity (conductivity),
B
elements that are dull, poor thermal and electrical conductors (non-conductivity), brittle and nonma
C
elements that have properties of both metals and nonmetals
D
two or more different elements joined together to form a molecule
2) Define Metal.
A
elements that are dull, poor thermal and electrical conductors (non-conductivity), brittle and nonma
B
two or more different elements joined together to form a molecule
C
elements that have properties of both metals and nonmetals
D
elements that have a shiny surface (luster), good conductors of heat and electricity (conductivity),
3) Define Nonmetal
A
elements that are dull, poor thermal and electrical conductors (non-conductivity), brittle and nonma
B
elements that have a shiny surface (luster), good conductors of heat and electricity (conductivity),
C
elements that have properties of both metals and nonmetals
4) Define Periodic Table of Elements.
A
an educated guess (prediction) which needs to be tested to tell if it is correct
B
any substance made up of identical atoms
C
chart of the elements arranged according to their atomic number
D
study of matter and energy
5) Define Physical Science.
A
study of matter and energy
B
that part of the energy in a substance that can be released by a chemical reaction
C
a factor or condition that is allowed to change in a scientific experiment to test a hypothesis
D
to take note of or detect something in the course of a scientific study
6) Define Chemical Energy.
A
the ability to cause change
B
an educated guess (prediction) which needs to be tested to tell if it is correct
C
that part of the energy in a substance that can be released by a chemical reaction
D
the degree of hotness or coldness of a body or environment
7) Define Hypothesis.
A
the degree of hotness or coldness of a body or environment
B
an educated guess (prediction) which needs to be tested to tell if it is correct
C
to conclude from evidence
D
the ability to cause change
8) Define Infer.
A
the degree of hotness or coldness of a body or environment
B
a factor or condition that is allowed to change in a scientific experiment to test a hypothesis
C
a solid separated from a solution
D
to conclude from evidence
9) Define Variable.
A
to conclude from evidence
B
a factor or condition that is allowed to change in a scientific experiment to test a hypothesis
C
a solid separated from a solution
D
an educated guess (prediction) which needs to be tested to tell if it is correct
10) Define Precipitate.
A
a solid separated from a solution
B
to conclude from evidence
C
matter that has a definite volume and takes the shape of its container
D
the shine from the surface of a mineral
*select an answer for all questions
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