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BIO 110

BIO 110
56問 • 1年前
  • Quintin Brown
    • 通報

    問題一覧

  • 1

    ____ uses your senses to gather data on/about something of interest

    An observation

  • 2

    ____ is your initial thought/explanation of the observations

    A hypothesis

  • 3

    ____ gathers data under controlled conditions to evaluate the hypothesis

    Experimentation

  • 4

    ____ confirm, refute, and/or modify the hypothesis

    Analysis/conclusion

  • 5

    Hypotheses which are confirmed by substantial independent testing may be elevated to a _____

    theory

  • 6

    A ______ is any ‘thing’ which plays a role in a phenomena

    variable

  • 7

    ______ is the one variable whose type and/or value is set by the researcher and will be purposely changed to gather data for hypothesis

    An independent variable

  • 8

    _____ is/are the outcome measurements of an experiment

    A dependent variable

  • 9

    There may be one or many dependent variables.

    True

  • 10

    _____ are maintained at the same level across all subjects

    controlled variables

  • 11

    Protons have a negative charge

    False

  • 12

    Atomic number is the amount of

    protons

  • 13

    All atoms of same elements have same atomic #

    True

  • 14

    Neutrons have a

    neutral/no charge

  • 15

    _____ are the same mass as a proton

    Neutrons

  • 16

    ____ are located in the nucleus

    Neutrons

  • 17

    Atomic weight =

    protons + neutrons

  • 18

    Isotopes are different number of _____ than normal

    nuetrons

  • 19

    ____ have a negative charge

    electrons

  • 20

    _____ are directly involved in chemical reactions

    electrons

  • 21

    _____ determines the chemical property of an atom

    electrons

  • 22

    ______ is equal in number to the number of protons

    electrons

  • 23

    1st shell around the nucleus holds 2 _____

    electrons

  • 24

    After the first shell, the other shells hold _____

    8 electrons

  • 25

    _____ results from the transfer of electrons

    ionic bonding

  • 26

    Atoms gain/lose control during

    ionic bonding

  • 27

    ____ results in atoms with a charge

    ionic bonding

  • 28

    During ionic bonding, the charge difference hold the resulting molecule together

    True

  • 29

    ____ results from a sharing of electrons between two atoms

    covalent bonding

  • 30

    Each atom provides an electron during

    covalent bonding

  • 31

    The shared electron pair orbits both nuclei keeping the molecule together during

    covalent bonding

  • 32

    Larger nuclei will hog the shared electrons from smaller nuclei

    True

  • 33

    ____ are special and very weak

    hydrogen bonds

  • 34

    Hydrogen bonds are bonds between atoms

    False

  • 35

    Bonds between molecules is/are

    hydrogen bonds

  • 36

    ______ result from a ____ involving hydrogen

    hydrogen bonds, covalent bonds

  • 37

    Electrons are shared equally in

    non-polar covalent bonds

  • 38

    ___ are between the oxygen and hydrogen atoms in a single water molecule

    polar covalent bonds

  • 39

    _____ adds water to break a bond

    hydrolysis

  • 40

    ____is the process by which starch is made from glucose

    dehydration synthesis

  • 41

    Water is a byproduct of

    dehydration synthesis

  • 42

    pH = 7

    neither acid or base

  • 43

    pH < 7

    acid

  • 44

    pH > 7

    base

  • 45

    ____ donate H+ ions from solutions

    base

  • 46

    ____ absorb OH- ions from solutions

    neither acid nor base

  • 47

    ____ can cause severe burns to skin

    both acid and base

  • 48

    ____ share electrons equally

    protons

  • 49

    _____ are formed when electrons are transferred from one atom to another

    ionic bonds

  • 50

    An atom that gives up an electron results in an ion with a _____ charge

    positive

  • 51

    An anion has a _____ charge

    positive

  • 52

    Large molecules are formed by the process of _____

    dehydration synthesis

  • 53

    An atom with two electrons in its outermost shell will most likely form a/an

    H+ ion

  • 54

    A chemical which absorbs H+ ions will _____ the pH level

    lower

  • 55

    _____ come apart in water

    ionic bonds

  • 56

    If an atom gains an electron it will have a _____ charge

    negative

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    問題一覧

  • 1

    ____ uses your senses to gather data on/about something of interest

    An observation

  • 2

    ____ is your initial thought/explanation of the observations

    A hypothesis

  • 3

    ____ gathers data under controlled conditions to evaluate the hypothesis

    Experimentation

  • 4

    ____ confirm, refute, and/or modify the hypothesis

    Analysis/conclusion

  • 5

    Hypotheses which are confirmed by substantial independent testing may be elevated to a _____

    theory

  • 6

    A ______ is any ‘thing’ which plays a role in a phenomena

    variable

  • 7

    ______ is the one variable whose type and/or value is set by the researcher and will be purposely changed to gather data for hypothesis

    An independent variable

  • 8

    _____ is/are the outcome measurements of an experiment

    A dependent variable

  • 9

    There may be one or many dependent variables.

    True

  • 10

    _____ are maintained at the same level across all subjects

    controlled variables

  • 11

    Protons have a negative charge

    False

  • 12

    Atomic number is the amount of

    protons

  • 13

    All atoms of same elements have same atomic #

    True

  • 14

    Neutrons have a

    neutral/no charge

  • 15

    _____ are the same mass as a proton

    Neutrons

  • 16

    ____ are located in the nucleus

    Neutrons

  • 17

    Atomic weight =

    protons + neutrons

  • 18

    Isotopes are different number of _____ than normal

    nuetrons

  • 19

    ____ have a negative charge

    electrons

  • 20

    _____ are directly involved in chemical reactions

    electrons

  • 21

    _____ determines the chemical property of an atom

    electrons

  • 22

    ______ is equal in number to the number of protons

    electrons

  • 23

    1st shell around the nucleus holds 2 _____

    electrons

  • 24

    After the first shell, the other shells hold _____

    8 electrons

  • 25

    _____ results from the transfer of electrons

    ionic bonding

  • 26

    Atoms gain/lose control during

    ionic bonding

  • 27

    ____ results in atoms with a charge

    ionic bonding

  • 28

    During ionic bonding, the charge difference hold the resulting molecule together

    True

  • 29

    ____ results from a sharing of electrons between two atoms

    covalent bonding

  • 30

    Each atom provides an electron during

    covalent bonding

  • 31

    The shared electron pair orbits both nuclei keeping the molecule together during

    covalent bonding

  • 32

    Larger nuclei will hog the shared electrons from smaller nuclei

    True

  • 33

    ____ are special and very weak

    hydrogen bonds

  • 34

    Hydrogen bonds are bonds between atoms

    False

  • 35

    Bonds between molecules is/are

    hydrogen bonds

  • 36

    ______ result from a ____ involving hydrogen

    hydrogen bonds, covalent bonds

  • 37

    Electrons are shared equally in

    non-polar covalent bonds

  • 38

    ___ are between the oxygen and hydrogen atoms in a single water molecule

    polar covalent bonds

  • 39

    _____ adds water to break a bond

    hydrolysis

  • 40

    ____is the process by which starch is made from glucose

    dehydration synthesis

  • 41

    Water is a byproduct of

    dehydration synthesis

  • 42

    pH = 7

    neither acid or base

  • 43

    pH < 7

    acid

  • 44

    pH > 7

    base

  • 45

    ____ donate H+ ions from solutions

    base

  • 46

    ____ absorb OH- ions from solutions

    neither acid nor base

  • 47

    ____ can cause severe burns to skin

    both acid and base

  • 48

    ____ share electrons equally

    protons

  • 49

    _____ are formed when electrons are transferred from one atom to another

    ionic bonds

  • 50

    An atom that gives up an electron results in an ion with a _____ charge

    positive

  • 51

    An anion has a _____ charge

    positive

  • 52

    Large molecules are formed by the process of _____

    dehydration synthesis

  • 53

    An atom with two electrons in its outermost shell will most likely form a/an

    H+ ion

  • 54

    A chemical which absorbs H+ ions will _____ the pH level

    lower

  • 55

    _____ come apart in water

    ionic bonds

  • 56

    If an atom gains an electron it will have a _____ charge

    negative