Book1 Flashcards

1
Q

ATOMOS

A

DEMOCRITUS

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2
Q

ATOMIC THEORY AND LAW OF MULTIPLE PROPORTION

A

JOHN DALTON

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3
Q

LAW OF DEFINITE PROPORTION

A

JOSEPH PROUST

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4
Q

ELECTRON

A

JJ THOMPSON

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5
Q

NEUTRON

A

JAMEST CHADWICH

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6
Q

PROTON

A

ERNEST RUTHERFORD

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7
Q

CREATED THE MODERN PERIODIC TABLE

A

DMITRI MENDELEEV

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8
Q

DEVELOP THEORY OF COVALENT BOND

A

GILBERT LEWIS

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9
Q

FORMULATED VALENCE THEORY AND ELECTRONEGATIVITY

A

LINUS PAULING

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10
Q

matter remains the same befor and after reaction occur

A

LAW OF CONSERVATION OF MASS

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11
Q

same reactant = same product

A

LAW OF CONSERVATION OF MASS

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12
Q

same proportion of elemet by mass

A

LAW OF DEFINITE PROPORTION

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13
Q

two elements when combined form more than one compound

A

LAW OF MULTIPLE PROPORTION

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14
Q

6.02 x 10-23 mol-1

A

AVOGADRO’S NUMBER

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15
Q

EQUAL VOLUME, GAS, SAME TEMP. AND PRESSURE, SAME NUMBER OF MOLECULE

A

AVOGADRO’S LAWS

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16
Q

smallest constituent unit of matter

A

ATOM

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17
Q

CANNOT BE BROKEN DOWN INTO SMALLER SUBSTANCES

A

ELEMENTS

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18
Q

TWO OR MORE DIFFERENT ELEMENTS

A

COMPOUNDS

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19
Q

SIMPKEST TERM OF SUBSTANCE

A

ELEMENTS

20
Q

IS PART OF AN ELEMENT

A

ATOM

21
Q

NUMBER OF PROTON IN A NUCLEUS

A

ATOMIC NUMBER

22
Q

TOTAL # OF PROTON AND NEUTRON IN A NUCLEUS

A

MASS NUMBER

23
Q

SAME ELEMENT WITH DIFFERENT NUMBER NEUTRON

A

ISOTOPES

24
Q

FATHER OF CHEMISTRY

A

ANTOINE LAURENT LAVOISIER

25
Q

IN NEUTRAL ATOM THEY ARE THE SAME

A

PROTONS = ELECTRON

26
Q

DESCRIBE THE POSITION AND ENERGY OF ELECTRON IN AN ATOM

A

QUANTUM NUMBERS

27
Q

DESCRIBE HOW ELECTRONS ARE DISTRIBUTED IN ITS ATOMIC ORBITALS

A

ELECTRON CONFIGURATION

28
Q

ENUMERATE THE MAXIMUM NUMBER OF ELECTRONS PER SUBSHELL

A

s=2, p=6, d=10, f=14

29
Q

ENERGY REQUIRED TO REMOVE AN ELECTRON

A

IONIZATION ENERGY

30
Q

AMOUNT OF ENERGY LIBERATED WHEN A MOLECULE OR NEUTRAL ATOM ACQUIRES AN ELECTRON

A

ELECTRON AFFINITY

31
Q

ATTRACT ELECTRON TOWARDS ITSELF

A

ELECTRONEGATIVITY

32
Q

ION CONSIST OF ONE ATOM

A

MONOATOMIC

33
Q

MOLECULE CONSIST OF TWO ATOMS

A

DIATOMIC

34
Q

NO 2 ELECTRONS CAN HAVE SAME 4 ELECTRONIC QUANTUM NUMBER

A

PAULI’S EXCLUSION PRINCIPLE

35
Q

FILL SUBSHELLS OF THE LOWEST AVAILABLE ENERGY

A

AUFBAU PRINCIPLE

36
Q

EVERY ORBITAL IS SINGLY OCCUPIED BEFORE ANY ORBITAL IS DOUBLY

A

HUND’S RULE

37
Q

PERIOD IN PERIODIC TABLE

A

ENERGY LEVEL

38
Q

rule that dictates atoms are most stable

A

octet rule

39
Q

rule that dictates their valence shells are filled with 8 electrons

A

octet rule

40
Q

outermost shell of an atom

A

valence shell

41
Q

electron in outermost shell of any atom

A

valence electron

42
Q

when atom gain or lose valence electron they become

A

ions

43
Q

an atom or gorup of atom that has an electric charge

A

ions

44
Q

two types of ions

A

cations and anions

45
Q

are negatively charge

A

electron

46
Q

when atom loses an electron they become positive or negative?

A

positive

47
Q

when atom gains an electron they become positive or negative

A

negative