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Matter, Elements, Compunds and Mixtures

Matter, Elements, Compunds and Mixtures

Assessment

Presentation

Science

7th Grade

Hard

Created by

Amitava Ghosh

Used 2+ times

FREE Resource

41 Slides • 55 Questions

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Multiple Choice

A property of an element that does not depend on the amount of the element is called
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Characteristic Property
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Physical Property
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Chemical Property
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Unique Property

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Elements, Compounds and Mixtures

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Multiple Choice

Any material consisting of only one type of atom is classified as what?

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A compound

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An element

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A heterogeneous mixture

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A homogeneous mixture

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Multiple Choice

When different atoms combine _______ are formed.

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compounds

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elements

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heterogeneous mixtures

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homogeneous mixtures

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Elements 

  • Made up of ONE type of Atom 

  • Cannot be broken down chemically into simpler substances 

  • Organized on the Periodic Table of the Elements 

  • Represented by a Chemical symbol 

  • Properties can be used to identify different elements 



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Multiple Choice

A compound is represented by its _______.

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atomic number

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chemical number

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chemical formula

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number of atoms

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Multiple Choice

An elements ability to react with acid is an example of a
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Pure Substance
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Physical Property
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Chemical Property
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really cool trick

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Multiple Choice

Most materials we use and encounter daily are ______.

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elements

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compounds

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pure substances

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mixtures

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Chemical Symbol 

  • represents the name of an element and is written as a capital letter or a capital letter followed by a lowercase letter

  • Examples: H: hydrogen He: helium N: nitrogen O: oxygen C: carbon P: phosphorus S: sulfur Cl: chlorine Na: sodium Si: silicon

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Multiple Choice

Which classification of matter is a pure substance?

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Elements

2

Elements and compounds

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Compounds

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Elements and mixtures

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Mixtures

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Multiple Choice

A material made of combined substances that each retain their own properties is called what?

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A mixture

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A compound

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A pure substance

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An element

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Compound 

  • A pure substance made by chemically combining two or more elements

  • Represented by a chemical formula

  • The proportion of each element in a compound is constant (if the subscript is changed, the substance is changed)

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Multiple Choice

In a ______ mixture, the material has the same composition throughout.

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heterogeneous

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homogeneous

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Multiple Choice

A pure substance that cannot be separated into simpler substance by physical or chemical means
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mixure
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element
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compound
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neutron

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Multiple Choice

What is the difference between an element and a compound?

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Elements are made of more than one atom.

2

Compounds have uniform composition.

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Compounds are made of more than one type of atom.

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Only elements are pure substances.

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Chemical Formula 

  •  a representation of a substance (compound) in which the elements are represented by their symbols and subscripts represent the number of atoms of each element

  • Possible examples may include: CO2: carbon dioxide CO: carbon monoxide H2O: water NaCl: sodium chloride C6H12O6: glucose CaCO3: calcium carbonate SiO2: silicon dioxide

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Multiple Choice

_______ can be separated by physical means.

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An element

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A compound

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Pure substances

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Mixtures

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Multiple Choice

In a ______ mixture, each substance can be easily distinguished.

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heterogeneous

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homogeneous

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Multiple Choice

What is a pure substance that cannot be broken down chemically into simpler substances?

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mixture

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element

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compound

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formula

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Multiple Choice

Granite rock is an example of ______.

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an element

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a compound

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a homogeneous mixture

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a heterogeneous mixture

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Multiple Choice

Which of the following will not break down compounds?
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electric current
2
chemical change
3
filtering

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Multiple Choice

Sea water is an example of ______.

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an element

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a compound

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a homogeneous mixture

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a heterogeneous mixture

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Multiple Choice

An Element is made up of how many types of atoms?

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12

2

36

3

58

4

1

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Multiple Choice

Nickel is an example of ______.

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an element

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a compound

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a homogeneous mixture

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a heterogeneous mixture

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Multiple Choice

Chloroform is an example of ______.

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an element

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a compound

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a homogeneous mixture

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a heterogeneous mixture

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Multiple Choice

Choose the option that cannot be a chemical symbol.

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a

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H

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O

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Cl

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Multiple Select

Question image

Which of the following is an example of an element?

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A

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B

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C

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D

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Multiple Choice

The physical properties of compounds do not include
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melting point
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density
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reaction to light

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Multiple Choice

Question image

Which of the following is an example of a compound?

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A

2

B

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C

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D

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Multiple Choice

What is the result of a CHEMICAL change?

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mixture

2

element

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compound

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pure substance

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Multiple Choice

Question image

Which of the following is an example of a mixture?

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A

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B

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C

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D

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Multiple Choice

What is the building block of all matter?

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legos

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symbols

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letters

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elements

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Multiple Choice

How is a compound different from a mixture?
1
each substance in a compound loses its characteristic properties
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compounds have two or more components
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compounds are commonly found in nature

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Multiple Choice

Ice melting into water is a ....

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chemical change

2

physical change

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Multiple Choice

Which is NOT a compound?

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CO2

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H2O

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S

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SiO2

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Multiple Choice

When elements form mixtures, the elements
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React to form a new substance with new properties
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combine in a specific mass ratio
3
keep their original properties 

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Multiple Choice

How could a sugar cube be dissolved more quickly in water?
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cool the water
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crush the sugar cube
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let the sugar cube sit in the water

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Multiple Choice

an aluminum pie plate is an example of a
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compound
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solute
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element

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Multiple Choice

Solid solutions of metals or nonmetals dissolved in metals are called
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alloys
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metalloids
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nonmetals

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Multiple Choice

If a spoon full of salt is mixed in a glass of water, the salt is the
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solvent
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solution
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solute

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Multiple Choice

The particles in both a suspension and colloid can
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scatter light
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settle out
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be soluble 

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Multiple Choice

Amount of a substance in a given quantity of a mixture or solution
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solubility
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distilation
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concentration

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Multiple Choice

If a spoonful of salt is mixed in a glass of water, what is the water called?
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solute
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solution
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solvent

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Multiple Choice

What is formed when particles of two or more substances are distributed evenly among each other?
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mixture
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solution
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compound

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Multiple Choice

Why can salt dissolve in water?
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salt is a solvent
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salt is soluble 
3
salt has super powers

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Multiple Choice

What is it called when particles in substances separate and spread evenly?
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insolubility
2
dissolving
3
concentration

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Multiple Choice

Which of the following statements about both suspensions and colloids is true?
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particles can settle out
2
particles are soluble
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particles can not be filtered
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Both are solutions

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Multiple Choice

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
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metal
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metalloid
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pure substance

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Multiple Choice

An element that is shiny and that conducts heat and electric current well
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metal
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nonmetal
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metalloid

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Multiple Choice

An element that conducts heat and electricity poorly and is dull in appearance
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metal
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nonmetal
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metalloid

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Multiple Choice

An element that has the properties of both metals and nonmetals
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metal
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nonmetal
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metalloid

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Multiple Choice

Boiling point, melting point, and density are some of an elements
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nonreactive properties
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physical properties
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chemical properties

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Multiple Choice

Combination of two or more substances that are not chemically combined
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compound 
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supsension
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mixture

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Multiple Choice

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What is in this photo?
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compound
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mixture
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element

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Multiple Choice

Question image
what is in this photo?
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compound
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mixture
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element

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Multiple Choice

Question image
What is in this photo? 
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compound
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mixture
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element

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Multiple Choice

Question image
What is in this photo? 
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element
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compound
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mixture

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Multiple Choice

Question image
What is in this photo? 
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element
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compound
3
mixture

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Multiple Choice

Question image
What is in this photo? 
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suspension
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colloid

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Multiple Choice

Question image
What is in this photo? 
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suspension
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colloid

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