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SCIENCE

SCIENCE
17問 • 1年前
  • Rane Mancenido
    • 通報

    問題一覧

  • 1

    Shows all known elements in the universe. Organizes the elemets by its chemical properties

    periodic table

  • 2

    What is a substance composed of a single kind of atom that cannot be broken down into another substance by physical or chimical means?

    element

  • 3

    A substance which 2 or more different elements are chemically bonded togother

    compound

  • 4

    2 or more substance that are mixed together but are not chemically bonded together.

    mixture

  • 5

    Who created the law of triads?

    johann dobereiner

  • 6

    Who created the law of octave(8)?

    john newlands

  • 7

    Who is the faher of the modern periodic table?

    dmitri mendeleev

  • 8

    Each (|) row of elements is called the _______?

    period

  • 9

    The elements in a ___________ are not alike in properties.

    period

  • 10

    Columns of elements are called ________ or ___________.

    groups or families

  • 11

    Groups in each __________ have similar but not identical properties

    family

  • 12

    All elements in a _______ have the same valence electron.

    family

  • 13

    In a period, the rectivity of metals decreases from left to right. Arrange the given elements in decreasing order: Fe, K, Ca, Cu

    K, Ca, Fe, Cu

  • 14

    In a group reactivity metals increases fron top to bottom. Arrange the given elements in increasing order: Na, K, Li, Rb

    Li, Na, K, Rb

  • 15

    Which element is found in period 6, group 14?

    lead (Pb)

  • 16

    In which period ang group is Aluminum(Al) is located?

    period 3, group 13

  • 17

    In which period and group is Platinum(Pt) is located?

    period 6, group 10

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    Rane Mancenido · 41問 · 2年前

    TLE

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    Rane Mancenido · 34問 · 1年前

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    34問 • 1年前
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    Figurative Language

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    Rane Mancenido · 15問 · 1年前

    Figurative Language

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    Rane Mancenido

    Examples of figurative language

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    Examples of figurative language

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    Rane Mancenido · 66問 · 1年前

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    Rane Mancenido · 55問 · 1年前

    TLE

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    55問 • 1年前
    Rane Mancenido

    問題一覧

  • 1

    Shows all known elements in the universe. Organizes the elemets by its chemical properties

    periodic table

  • 2

    What is a substance composed of a single kind of atom that cannot be broken down into another substance by physical or chimical means?

    element

  • 3

    A substance which 2 or more different elements are chemically bonded togother

    compound

  • 4

    2 or more substance that are mixed together but are not chemically bonded together.

    mixture

  • 5

    Who created the law of triads?

    johann dobereiner

  • 6

    Who created the law of octave(8)?

    john newlands

  • 7

    Who is the faher of the modern periodic table?

    dmitri mendeleev

  • 8

    Each (|) row of elements is called the _______?

    period

  • 9

    The elements in a ___________ are not alike in properties.

    period

  • 10

    Columns of elements are called ________ or ___________.

    groups or families

  • 11

    Groups in each __________ have similar but not identical properties

    family

  • 12

    All elements in a _______ have the same valence electron.

    family

  • 13

    In a period, the rectivity of metals decreases from left to right. Arrange the given elements in decreasing order: Fe, K, Ca, Cu

    K, Ca, Fe, Cu

  • 14

    In a group reactivity metals increases fron top to bottom. Arrange the given elements in increasing order: Na, K, Li, Rb

    Li, Na, K, Rb

  • 15

    Which element is found in period 6, group 14?

    lead (Pb)

  • 16

    In which period ang group is Aluminum(Al) is located?

    period 3, group 13

  • 17

    In which period and group is Platinum(Pt) is located?

    period 6, group 10