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2023 SEM 1 INORG & ORG CHEM > bonding and isomerism > Flashcards

bonding and isomerism Flashcards

1
Q

nucleus consists of

A

protons and neutrons

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2
Q

protons are …. charged

A

positively

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3
Q

neutrons are

A

neutral

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4
Q

electrons are … charged

A

negatively

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5
Q

nucleus is surrounded by

A

electrons

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6
Q

atomic number is …

A

no. of protons in nucleus

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7
Q

mass no. is

A

no. of protons and no. of neutrons

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8
Q

what is cation

A

atom that gives up electrons

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9
Q

cation is … charged

A

positively

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10
Q

what is anion

A

it receives electron

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11
Q

anion is… charged

A

negatively

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12
Q

elements that give up are called …

A

electropositive

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13
Q

elements that accept are called …

A

electropositive

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14
Q

what is bond energy

A

the energy to break it apart into atoms

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15
Q

what is bond length

A

the distance between 2 nuclei

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16
Q

the energy to break it apart into atoms

A

bond energy

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17
Q

the distance between 2 nuclei

A

bond length

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18
Q

two different atoms shared unequally

A

polar covalent bond

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19
Q

what are the partial charge

A

delta plus
delta minus

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20
Q

what are isomers

A

same kinds and number of atoms bu different arrangements

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21
Q

what are structural/ constitutional isomers

A

have same molecular formula but different structural formulas

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22
Q

same kinds and number of atoms bu different arrangements

A

isomers

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23
Q

have same molecular formula but different structural formulas

A

structural/ constitutional isomers

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24
Q

formula to find formal charge

A

no. of valance electron - (dots + bonds)

25
Q

curved arrows

A

a pair of electron moving

26
Q

fishhook arrows

A

single electron moving

27
Q

straight arrows

A

point from reactants to products in chemical reaction equations

28
Q

straight arrow with half heads

A

used in pairs to indicate that the reaction is reversible

29
Q

double headed straight arrow

A

between 2 structure indicates that they are resonance

30
Q

a pair of electron moving

A

curved arrows

31
Q

single electron moving

A

fishhook arrows

32
Q

point from reactants to products in chemical reaction equations

A

straight arrows

33
Q

used in pairs to indicate that the reaction is reversible

A

straight arrow with half heads

34
Q

between 2 structure indicates that they are resonance

A

double headed straight arrow

35
Q

how many sigma bond does a single bond have

A

1 sigma bond

36
Q

how many sigma/pi bond does a double bond have

A

1 sigma and 1 pi

37
Q

how many sigma/pi bond does a triple bond have

A

1 sigma and 2 pi

38
Q

name the bond:
electron density between 2 atoms

A

sigma bond

39
Q

name the bond:
electron density above and below plane of nuclei of the bond atoms

A

pi bond

40
Q

electron farther from nucleus have a

A

greater potential energy

41
Q

why do electron farther from nucleus have a greater potential energy

A

as it keeps electron and nucleus apart

42
Q

name the lines/ wedge:
plane line of a page

A

solid lines

43
Q

name the lines/ wedge:
extends out the plane

A

solid wedge (towards)

44
Q

name the lines/ wedge:
goes behind the plane

A

dashed wedge (backward)

45
Q

arrange bond length from the shortest to longest

A

triple
double
single

46
Q

arrange bond energy from weakest to strongest

A

single
double
triple

47
Q

what tells us how the number of different atoms present

A

molecular formula

48
Q

what tells us how the atoms are arranged

A

structural formula

49
Q

what is molecular formula

A

tells us how the number of different atoms present

50
Q

what is structural formula

A

tells us how the atoms are arranged

51
Q

atomic orbital can… to form a bond

A

overlap

52
Q

each molecular orbital can contain…

A

no more than 2 electrons

53
Q

hybrid orbitals overlapping another hybrid orbitals or nonhybridized atomic orbitals are called

A

sigma bonds

54
Q

what are acrylic organic molecules

A

they have chains of carbon atoms but no rings (branched or unbranched)

55
Q

what are carbocyclic compounds

A

they contain rings of carbon atom

56
Q

what are heterocyclic compounds

A

at least one atom in the ring must be heteroatom (an atom that is not carbon fr eg oxygen, nitrogen)

57
Q

what compound is the third largest class of molecular frameworks for organic compound

A

heterocyclic compounds

58
Q
A

2023 SEM 1 INORG & ORG CHEM (22 decks)

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