Chemistry Vocab 3 Question Preview (ID: 6997)


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Define Metalliod.
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
d) two or more different elements joined together to form a molecule

Define Metal.
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

Define Nonmetal
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)

Define Periodic Table of Elements.
a) chart of the elements arranged according to their atomic number
b) study of matter and energy
c) an educated guess (prediction) which needs to be tested to tell if it is correct
d) any substance made up of identical atoms

Define Physical Science.
a) to take note of or detect something in the course of a scientific study
b) a factor or condition that is allowed to change in a scientific experiment to test a hypothesis
c) that part of the energy in a substance that can be released by a chemical reaction
d) study of matter and energy

Define Chemical Energy.
a) that part of the energy in a substance that can be released by a chemical reaction
b) the degree of hotness or coldness of a body or environment
c) the ability to cause change
d) an educated guess (prediction) which needs to be tested to tell if it is correct

Define Hypothesis.
a) the ability to cause change
b) an educated guess (prediction) which needs to be tested to tell if it is correct
c) the degree of hotness or coldness of a body or environment
d) to conclude from evidence

Define Infer.
a) a solid separated from a solution
b) the degree of hotness or coldness of a body or environment
c) to conclude from evidence
d) a factor or condition that is allowed to change in a scientific experiment to test a hypothesis

Define Variable.
a) an educated guess (prediction) which needs to be tested to tell if it is correct
b) a factor or condition that is allowed to change in a scientific experiment to test a hypothesis
c) to conclude from evidence
d) a solid separated from a solution

Define Precipitate.
a) a solid separated from a solution
b) to conclude from evidence
c) the shine from the surface of a mineral
d) matter that has a definite volume and takes the shape of its container

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