bonding and isomerism

Question 1

nucleus consists of

Answer 1

protons and neutrons

Question 2

protons are …. charged

Answer 2

positively

Question 3

neutrons are

Answer 3

neutral

Question 4

electrons are … charged

Answer 4

negatively

Question 5

nucleus is surrounded by

Answer 5

electrons

Question 6

atomic number is …

Answer 6

no. of protons in nucleus

Question 7

mass no. is

Answer 7

no. of protons and no. of neutrons

Question 8

what is cation

Answer 8

atom that gives up electrons

Question 9

cation is … charged

Answer 9

positively

Question 10

what is anion

Answer 10

it receives electron

Question 11

anion is… charged

Answer 11

negatively

Question 12

elements that give up are called …

Answer 12

electropositive

Question 13

elements that accept are called …

Answer 13

electropositive

Question 14

what is bond energy

Answer 14

the energy to break it apart into atoms

Question 15

what is bond length

Answer 15

the distance between 2 nuclei

Question 16

the energy to break it apart into atoms

Answer 16

bond energy

Question 17

the distance between 2 nuclei

Answer 17

bond length

Question 18

two different atoms shared unequally

Answer 18

polar covalent bond

Question 19

what are the partial charge

Answer 19

delta plus
delta minus

Question 20

what are isomers

Answer 20

same kinds and number of atoms bu different arrangements

Question 21

what are structural/ constitutional isomers

Answer 21

have same molecular formula but different structural formulas

Question 22

same kinds and number of atoms bu different arrangements

Answer 22

isomers

Question 23

have same molecular formula but different structural formulas

Answer 23

structural/ constitutional isomers

Question 24

formula to find formal charge

Answer 24

no. of valance electron - (dots + bonds)

Question 25

curved arrows

Answer 25

a pair of electron moving

Question 26

fishhook arrows

Answer 26

single electron moving

Question 27

straight arrows

Answer 27

point from reactants to products in chemical reaction equations

Question 28

straight arrow with half heads

Answer 28

used in pairs to indicate that the reaction is reversible

Question 29

double headed straight arrow

Answer 29

between 2 structure indicates that they are resonance

Question 30

a pair of electron moving

Answer 30

curved arrows

Question 31

single electron moving

Answer 31

fishhook arrows

Question 32

point from reactants to products in chemical reaction equations

Answer 32

straight arrows

Question 33

used in pairs to indicate that the reaction is reversible

Answer 33

straight arrow with half heads

Question 34

between 2 structure indicates that they are resonance

Answer 34

double headed straight arrow

Question 35

how many sigma bond does a single bond have

Answer 35

1 sigma bond

Question 36

how many sigma/pi bond does a double bond have

Answer 36

1 sigma and 1 pi

Question 37

how many sigma/pi bond does a triple bond have

Answer 37

1 sigma and 2 pi

Question 38

name the bond: electron density between 2 atoms

Answer 38

sigma bond

Question 39

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

Answer 39

pi bond

Question 40

electron farther from nucleus have a

Answer 40

greater potential energy

Question 41

why do electron farther from nucleus have a greater potential energy

Answer 41

as it keeps electron and nucleus apart

Question 42

name the lines/ wedge: plane line of a page

Answer 42

solid lines

Question 43

name the lines/ wedge: extends out the plane

Answer 43

solid wedge (towards)

Question 44

name the lines/ wedge: goes behind the plane

Answer 44

dashed wedge (backward)

Question 45

arrange bond length from the shortest to longest

Answer 45

triple double single

Question 46

arrange bond energy from weakest to strongest

Answer 46

single double triple

Question 47

what tells us how the number of different atoms present

Answer 47

molecular formula

Question 48

what tells us how the atoms are arranged

Answer 48

structural formula

Question 49

what is molecular formula

Answer 49

tells us how the number of different atoms present

Question 50

what is structural formula

Answer 50

tells us how the atoms are arranged

Question 51

atomic orbital can... to form a bond

Answer 51

overlap

Question 52

each molecular orbital can contain...

Answer 52

no more than 2 electrons

Question 53

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

Answer 53

sigma bonds

Question 54

what are acrylic organic molecules

Answer 54

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

Question 55

what are carbocyclic compounds

Answer 55

they contain rings of carbon atom

Question 56

what are heterocyclic compounds

Answer 56

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

Question 57

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

Answer 57

heterocyclic compounds