chemistry names elements

通報

問題一覧

solid to vapour directly

Sublimation

both metals and non metal property

metalloids

Seperation and purification of solid substances

Crystallization

filtration by vapourisation and condensation both

distillation

Fractionating column used to seperate two or more volatile liquids

Fractional distillation

one substance is insoluble and other is liquid

sedimentation

molecular mass is 1/12 th of

C-12

Atomic number denoted by

Mass Number denoted by

same atomic numbers different mass numbers

isotopes

same mass no diff atomic numbers

Isobars

diff atoms same neutrons

Isotones

atoms molecules, ions contains same electrons

isoelectroens

plum pudding model of an atom

Thomson model

protons and neutrons collectivly called nucleons

Rutherford model

when spectral lines in magnetic field are splitted into no. of fine lines

Zeeman Effect

when spectral lines are placed in electric field , splitted into number of fine lines

Starks effect

quantization of energy

Bohr model

photon and quanta

plank's quantum theory

orbital, elliptical and spherical

Somerfield model

dual nature of electron

de broglie equation

exact position and momentum cant be determined same time

Heisenberg uncertainty principle

wave nature of electron

Schrodinger's wave equation

father of periodic table

Mendeleev

classified metals and non metals

Lavoisier

law of octaves

newland

Atomic volume curve

lother mayer volume curve

periodic table

mendeleev

physical and chemical properties of elements are their periodic function of atomic numbers

Mosley

amount of energy released from one mole of ionic compound

lattice enegy

energy released during adding an extra election

Electron Affinity

amount of energy required to remove electron from isolated gas atoms

Ionization potential

substances which have same chemical properties but different physical properties

Allotropy

2 compounds same molecular formula but diff physical and chemical properties

Isomerism

simple molecules combine to form a macro molecule

polymerization

vulcanization of rubber

SF6

50-60% of carbon

Peat

60-70% of carbon

Lignite

75-80% of carbon

Bituminous

90-95% of carbon

Anthracite

Newly discovered element

ununseptium

Largest atom

caesium

Smallest atom

hydrogen

Most poisonous metal

plutonium

Atomic size on moving down a group

increases

Combining capacity of an element

valency

Hypothetical charge that an atom would have if all bonds of atoms of different elements are removed

oxidation state

oxidation state of fluorine

-1

Metallic character on moving left to right

decreases

Energy required to remove an electron from outermost shell of an isolated gasous atom

Ionisation energy

height and distance

Suhrid Saha · 32問 · 2年前

height and distance

32問 • 2年前

idioms 4

Suhrid Saha · 49問 · 2年前

idioms 4

49問 • 2年前

Terms for studies

Suhrid Saha · 42問 · 2年前

Terms for studies

42問 • 2年前

suhrid biology important names scientists

suhrid biology important names scientists

biological term names (suhrid)

Suhrid Saha · 48問 · 2年前

biological term names (suhrid)

48問 • 2年前

differences in cells

Suhrid Saha · 6問 · 2年前

differences in cells

6問 • 2年前

obituaries August 2023

Suhrid Saha · 16問 · 2年前

obituaries August 2023

16問 • 2年前

event names

Suhrid Saha · 19問 · 2年前

event names

19問 • 2年前

GI tags

Suhrid Saha · 47問 · 2年前

GI tags

47問 • 2年前

Imp themes 2023(suhrid)

Suhrid Saha · 89問 · 2年前

Imp themes 2023(suhrid)

89問 • 2年前

birth defects

Suhrid Saha · 7問 · 2年前

birth defects

7問 • 2年前

no. of chromosomes

Suhrid Saha · 15問 · 2年前

no. of chromosomes

15問 • 2年前

body parts similarity

Suhrid Saha · 7問 · 2年前

body parts similarity

7問 • 2年前

category and main plants

Suhrid Saha · 11問 · 2年前

category and main plants

11問 • 2年前

edible parts of fruits

Suhrid Saha · 18問 · 2年前

edible parts of fruits

18問 • 2年前

one word pyq 1

one word pyq 1

one word pyq 2

one word pyq 2

military excercises

Suhrid Saha · 26問 · 2年前

military excercises

26問 • 2年前

state schemes 2023

Suhrid Saha · 5問 · 2年前

state schemes 2023

5問 • 2年前

First in india

Suhrid Saha · 73問 · 2年前

First in india

73問 • 2年前

First in india / world 2023 names

Suhrid Saha · 12問 · 2年前

First in india / world 2023 names

12問 • 2年前

asian games 2023

Suhrid Saha · 11問 · 2年前

asian games 2023

11問 • 2年前

appointments revised

Suhrid Saha · 27問 · 2年前

appointments revised

27問 • 2年前

conversions

Suhrid Saha · 10問 · 2年前

conversions

10問 • 2年前

bio important scientists names (suhrid)

bio important scientists names (suhrid)

square tables

Suhrid Saha · 49問 · 2年前

square tables

49問 • 2年前

cube tables

Suhrid Saha · 25問 · 2年前

cube tables

25問 • 2年前

tables

Suhrid Saha · 83問 · 2年前

tables

83問 • 2年前

indian names

indian names

International Names

International Names

terms

terms

domestic cities

Suhrid Saha · 25問 · 2年前

domestic cities

25問 • 2年前

countries

Suhrid Saha · 58問 · 2年前

countries

58問 • 2年前

central and state schemes

Suhrid Saha · 19問 · 2年前

central and state schemes

19問 • 2年前

days

days

themes

Suhrid Saha · 63問 · 2年前

themes

63問 • 2年前

Changed names 2023

Suhrid Saha · 40問 · 2年前

Changed names 2023

40問 • 2年前

short forms

Suhrid Saha · 30問 · 2年前

short forms

30問 • 2年前

governors

Suhrid Saha · 36問 · 2年前

governors

36問 • 2年前

CMs

Suhrid Saha · 28問 · 2年前

CMs

28問 • 2年前

short forms 2

Suhrid Saha · 48問 · 2年前

short forms 2

48問 • 2年前

days (2)

Suhrid Saha · 26問 · 2年前

days (2)

26問 • 2年前

indian names 2

indian names 2

indian names 3

Suhrid Saha · 64問 · 2年前

indian names 3

64問 • 2年前

International names 2

Suhrid Saha · 7問 · 2年前

International names 2

7問 • 2年前

terms 2

Suhrid Saha · 88問 · 2年前

terms 2

88問 • 2年前

important names

Suhrid Saha · 35問 · 2年前

important names

35問 • 2年前

terms

Suhrid Saha · 8問 · 2年前

terms

8問 • 2年前

excel shortcuts

excel shortcuts

excel shortcuts 2

excel shortcuts 2

phrasal verbs

Suhrid Saha · 36問 · 2年前

phrasal verbs

36問 • 2年前

Politics names

Suhrid Saha · 52問 · 1年前

Politics names

52問 • 1年前

political terms

Suhrid Saha · 61問 · 1年前

political terms

61問 • 1年前

political dates

Suhrid Saha · 47問 · 1年前

political dates

47問 • 1年前

names

Suhrid Saha · 68問 · 1年前

names

68問 • 1年前

Important amendments

Suhrid Saha · 47問 · 1年前

Important amendments

47問 • 1年前

geography names

Suhrid Saha · 28問 · 1年前

geography names

28問 • 1年前

geographical terms 2

Suhrid Saha · 34問 · 1年前

geographical terms 2

34問 • 1年前

names

Suhrid Saha · 57問 · 1年前

names

57問 • 1年前

Sentence errors 1

Suhrid Saha · 12問 · 1年前

Sentence errors 1

12問 • 1年前

composition of alloys

Suhrid Saha · 12問 · 1年前

composition of alloys

12問 • 1年前

misc

Suhrid Saha · 19問 · 1年前

misc

19問 • 1年前

diseases from chemicals

Suhrid Saha · 8問 · 1年前

diseases from chemicals

8問 • 1年前

Industrial name & chemical name

Suhrid Saha · 41問 · 1年前

Industrial name & chemical name

41問 • 1年前

names

Suhrid Saha · 62問 · 1年前

names

62問 • 1年前

common food adulterants

Suhrid Saha · 9問 · 1年前

common food adulterants

9問 • 1年前

facts and misc

Suhrid Saha · 99問 · 1年前

facts and misc

99問 • 1年前

Facts and MIsc 2

Suhrid Saha · 13問 · 1年前

Facts and MIsc 2

13問 • 1年前

names

Suhrid Saha · 67問 · 1年前

names

67問 • 1年前

factrs and misc

Suhrid Saha · 100問 · 1年前

factrs and misc

100問 • 1年前

themes

Suhrid Saha · 5問 · 1年前

themes

5問 • 1年前

names

Suhrid Saha · 40問 · 1年前

names

40問 • 1年前

imp facts and misc

Suhrid Saha · 27問 · 1年前

imp facts and misc

27問 • 1年前