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chem

chem
69問 • 2年前
  • forget me not
    • 通報

    問題一覧

  • 1

    occupies space and has mass

    matter

  • 2

    composed of tiny molecules called atoms

    matter

  • 3

    4 classification of matter

    solid, liquid, gas, plasma

  • 4

    no definite volume

    gas

  • 5

    definite volume but indefinite shape

    liquid

  • 6

    definite volume and definite shape

    solid

  • 7

    super-heated matter

    plasma

  • 8

    example of plasma

    lightning

  • 9

    characteristics of substance which enables us to identify the substance

    properties

  • 10

    matter can be either physical and chemical properties

    true

  • 11

    properties that is perceived by senses and can be observed, measured and tested w/o changing the composition of the matter

    physical properties

  • 12

    example of phy properties

    color

  • 13

    2 properties of phy prop

    intensive, extensive

  • 14

    phy property that does not depend on the amount of matter present / being measured

    intensive

  • 15

    examples of intensive propert

    color, hardness, boiling point

  • 16

    phy property that depends on amount of matter presented/tested

    extensive

  • 17

    examples of extensive propert

    mass, length, shape

  • 18

    abilty of a material to resist scratching (pp)

    hardness

  • 19

    temperature where solid changes to liquid (pp)

    melting point

  • 20

    temperature where liquid changes to gas (pp)

    boiling point

  • 21

    property of a material taht pertains to the interaction of light

    luster

  • 22

    ability of a metal to be hammered/shaped w/o breaking/cracking

    malleability

  • 23

    mass of an object

    density

  • 24

    properties involved change in the substance's composition during chemical reaction

    chemical properties

  • 25

    example of chem propert

    flammability

  • 26

    changes may be physical or chemical

    changes in matter

  • 27

    change that do not alter the identity of a substance

    physical change

  • 28

    change that produces new compound with a different chemical composition and a different set of properties

    chemical change

  • 29

    process to which plants transform solar energy to chemical energy

    photosynthesis

  • 30

    matter can be classified to two composition

    pure substance, mixture

  • 31

    substance that contains only one type of particle and has uniform composition

    pure substance

  • 32

    substance that cannot be separated by physical means

    pure substance

  • 33

    pure substance can be separated into?

    elements, compounds

  • 34

    substances composed of only one atom

    elements

  • 35

    3 classification of elements(in order)

    metal, non metal, metalloids

  • 36

    constitute the greatest number of elements in the periodic table

    metals

  • 37

    example of metal

    gold

  • 38

    properties of metals

    lustrous, malleable, ductile, good conductor

  • 39

    what metal is not solid in room temperature

    mercury

  • 40

    elements that lack/dont have the characteristics of a metal

    nonmetal

  • 41

    example of nonmetal

    oxygen

  • 42

    properties of non metal

    dull appearance, brittle, poor conductors of heat and electricity, good insulators, low density

  • 43

    elements which have the properties of both metals and nonmetals

    metalloids

  • 44

    example of metalloid

    boron

  • 45

    substances composed of 2 or more atoms taht are chemically bonded together

    compounds

  • 46

    example of compound

    water

  • 47

    3 classification of compounds( plural)

    acids, bases, salts

  • 48

    compound that donates H+ ions

    acid

  • 49

    tastes sour

    acid

  • 50

    turns blue litmus paper to red

    acid

  • 51

    example of acid

    vinegar

  • 52

    accepts H+ ions

    base

  • 53

    taste bitter and feels slippery

    base

  • 54

    turns red litmus paper to blue

    base

  • 55

    example of base

    ammonia

  • 56

    compound that is formed when acid and base react

    salt

  • 57

    reaction which forms salt and water

    neutralization

  • 58

    example of salt

    table salt

  • 59

    made up of two or more substances which are mixed together but not chemically combined

    mixture

  • 60

    mixtures can be classified as

    homogeneous, heterogeneous

  • 61

    mixture that only has one phase and uniform composition

    homogeneous

  • 62

    example of homogeneous mixture

    salt and water

  • 63

    mixture w two or more phases

    heterogeneous

  • 64

    example of heterogeneous

    halo halo

  • 65

    2 types of heterogeneous

    suspension, colloids

  • 66

    heterogeneous mixtures that have particles bigger than colloids

    suspension

  • 67

    major difference between suspension and colloid

    particle size

  • 68

    what is colloidal dispersions also known as

    colloid

  • 69

    heterogeneous mixtures that have bigger particles than those of a solution but smaller than suspension

    colloids

    • separating mixtures/ sf

    separating mixtures/ sf

    forget me not · 21問 · 2年前

    separating mixtures/ sf

    separating mixtures/ sf

    21問 • 2年前
    forget me not

    ict

    ict

    forget me not · 11問 · 2年前

    ict

    ict

    11問 • 2年前
    forget me not

    research

    research

    forget me not · 46問 · 2年前

    research

    research

    46問 • 2年前
    forget me not

    問題一覧

  • 1

    occupies space and has mass

    matter

  • 2

    composed of tiny molecules called atoms

    matter

  • 3

    4 classification of matter

    solid, liquid, gas, plasma

  • 4

    no definite volume

    gas

  • 5

    definite volume but indefinite shape

    liquid

  • 6

    definite volume and definite shape

    solid

  • 7

    super-heated matter

    plasma

  • 8

    example of plasma

    lightning

  • 9

    characteristics of substance which enables us to identify the substance

    properties

  • 10

    matter can be either physical and chemical properties

    true

  • 11

    properties that is perceived by senses and can be observed, measured and tested w/o changing the composition of the matter

    physical properties

  • 12

    example of phy properties

    color

  • 13

    2 properties of phy prop

    intensive, extensive

  • 14

    phy property that does not depend on the amount of matter present / being measured

    intensive

  • 15

    examples of intensive propert

    color, hardness, boiling point

  • 16

    phy property that depends on amount of matter presented/tested

    extensive

  • 17

    examples of extensive propert

    mass, length, shape

  • 18

    abilty of a material to resist scratching (pp)

    hardness

  • 19

    temperature where solid changes to liquid (pp)

    melting point

  • 20

    temperature where liquid changes to gas (pp)

    boiling point

  • 21

    property of a material taht pertains to the interaction of light

    luster

  • 22

    ability of a metal to be hammered/shaped w/o breaking/cracking

    malleability

  • 23

    mass of an object

    density

  • 24

    properties involved change in the substance's composition during chemical reaction

    chemical properties

  • 25

    example of chem propert

    flammability

  • 26

    changes may be physical or chemical

    changes in matter

  • 27

    change that do not alter the identity of a substance

    physical change

  • 28

    change that produces new compound with a different chemical composition and a different set of properties

    chemical change

  • 29

    process to which plants transform solar energy to chemical energy

    photosynthesis

  • 30

    matter can be classified to two composition

    pure substance, mixture

  • 31

    substance that contains only one type of particle and has uniform composition

    pure substance

  • 32

    substance that cannot be separated by physical means

    pure substance

  • 33

    pure substance can be separated into?

    elements, compounds

  • 34

    substances composed of only one atom

    elements

  • 35

    3 classification of elements(in order)

    metal, non metal, metalloids

  • 36

    constitute the greatest number of elements in the periodic table

    metals

  • 37

    example of metal

    gold

  • 38

    properties of metals

    lustrous, malleable, ductile, good conductor

  • 39

    what metal is not solid in room temperature

    mercury

  • 40

    elements that lack/dont have the characteristics of a metal

    nonmetal

  • 41

    example of nonmetal

    oxygen

  • 42

    properties of non metal

    dull appearance, brittle, poor conductors of heat and electricity, good insulators, low density

  • 43

    elements which have the properties of both metals and nonmetals

    metalloids

  • 44

    example of metalloid

    boron

  • 45

    substances composed of 2 or more atoms taht are chemically bonded together

    compounds

  • 46

    example of compound

    water

  • 47

    3 classification of compounds( plural)

    acids, bases, salts

  • 48

    compound that donates H+ ions

    acid

  • 49

    tastes sour

    acid

  • 50

    turns blue litmus paper to red

    acid

  • 51

    example of acid

    vinegar

  • 52

    accepts H+ ions

    base

  • 53

    taste bitter and feels slippery

    base

  • 54

    turns red litmus paper to blue

    base

  • 55

    example of base

    ammonia

  • 56

    compound that is formed when acid and base react

    salt

  • 57

    reaction which forms salt and water

    neutralization

  • 58

    example of salt

    table salt

  • 59

    made up of two or more substances which are mixed together but not chemically combined

    mixture

  • 60

    mixtures can be classified as

    homogeneous, heterogeneous

  • 61

    mixture that only has one phase and uniform composition

    homogeneous

  • 62

    example of homogeneous mixture

    salt and water

  • 63

    mixture w two or more phases

    heterogeneous

  • 64

    example of heterogeneous

    halo halo

  • 65

    2 types of heterogeneous

    suspension, colloids

  • 66

    heterogeneous mixtures that have particles bigger than colloids

    suspension

  • 67

    major difference between suspension and colloid

    particle size

  • 68

    what is colloidal dispersions also known as

    colloid

  • 69

    heterogeneous mixtures that have bigger particles than those of a solution but smaller than suspension

    colloids