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The complete chemical block atomic table and quick mnemonic tips

Entering 8th grade, students will begin to familiarize themselves with Chemistry. Along with basic knowledge such as the valency table, the atomic mass table of chemistry will accompany you throughout the process of learning chemistry and is a tool for you to handle chemistry problems quickly. best. Share the following article to memorize the atomic mass table faster!

I. WHAT IS THE MOUNTAIN AUTOMATIC?

1. What is atomic mass?

The atomic mass of an atom is the relative mass of that element atom, which is the sum of the masses of electrons, protons, and neutrons, but because the electron mass is so small it is usually not counted, so it is possible that the atom mass approximates the mass number of the nucleus.

Or more simply:

Atomic mass is the mass of an atom in carbon units. different factors, the atomic mass is also different.

For example: Atomic mass of Nitrogen (N) = 14 (dvC), of Magnesium (Mg) = 24 (dvC).

2. Atomic mass

The atomic mass unit is a unit of mass for the masses of atoms and molecules. It is conventionally equal to one-twelfth the mass of carbon 12. Therefore, the atomic mass unit is also known as the carbon unit, denoted dvc.

3. Average atomic mass

Most chemical elements are mixtures of many isotopes with a definite percentage of atoms => the atomic mass of elements with many isotopes is the average atomic mass of the mixture of isotopes taking into account the respective percentage of atoms.

4. What is the atomic mass unit?

The unit of Carbon is the unit used to measure the mass of an atom, with the symbol unit C. One carbon unit is equal to 1/12 of the mass of the atomic nucleus of the isotope carbon C12.

Because the common C12 isotope carbon atom and the error index is very low, the International Metrology Institute has agreed to use this Carbon unit.

II. THE FULLEST CHEMICAL ELEMENTS TABLE OF ELEMENTS

The following is a complete readable atomicization table with more than 100 common and rare chemical elements.

STT

Name

English name

Symbol

Atomic mass (tumor)

first

Hydrogen

Hydrogen

H

1.008

2

Helium

Helium

He

4.002602(2)

3

Lithium

Lithium

Li

6.94

4

Berili

Berylium

Beige

9,012182(3)

5

Bo

Boron

REMOVE

10.81

6

Carbon

Carbon

OLD

12,011

7

Nitrogen

Nitrogen

WOMEN

14,007

8

Oxygen

Oxygen

O

15,999

9

Flo

Fluorine

F

18.9984032(5)

ten

neon

neon

Ne

20.1797(6)

11

Sodium

Sodium (Natrium)

Na

22.98976928(2)

twelfth

Magnesium

Magnesium

Mg

24,305

13

Aluminum

Aluminum

Al

26,9815386(8)

14

Silicon

Silicon

Si

28,085

15

Phosphorus

Phosphorus

P

30.973762(2)

16

Sulfur

Sulfur

S

32.06

17

Chlorine

Chlorine

Cl

35.45

18

Argon

Argon

Ar

39,948(1)

19

Potassium

Potassium (Potassium)

KY

39,0983(1)

20

Calcium

Calcium

Shift

40,078(4)

21

Scandi

Scandium

Sc

44.955912(6)

22

Titan

Titanium

Ti

47,867(1)

23

Vanadium

Vanadium

DRAW

50.9415(1)

24

Chromium

Chromium

Cr

51,9961(6)

25

Manganese

Manganese

Mn

54,938045(5)

26

Iron

Iron (Ferrum)

Fe

55,845(2)

27

Cobalt

Cobalt

Co

58,933195(5)

28

Nickel

Nikel

Ni

58,6934(4)

29

Copper

Copper (cuprum)

Cu

63,546(3)

30

Zinc

Zinc

Zn

65.38(2)

thirty first

Galilee

Galium

Ga

69,723(1)

32

germany

germanium

Ge

72,630(8)

33

Arsenic

Arsenal

As

74.92160(2)

34

Selenium

Selenium

Se

78.96(3)

35

Brom

Bromine

Br

79,904

36

Krypton

Krypton

Kr

83,798(2)

37

Rubidium

Rubidium

Rb

85,4678(3)

38

Strontium

Strontium

Sr

87.62(1)

39

Yttri

Yttrium

Y

88,90585(2)

40

Zirconium

Zirconium

Zr

91,224(2)

41

Niobium

Niobium

Nb

92.90638(2)

42

Molybdenum

Molybdenum

Mo

95.96(2)

43

Technology

Technetium

Tc

[98]

44

Rutheni

Ruthenium

Ru

101.07(2)

45

Rhodi

Rhodium

Rh

102,90550(2)

forty six

Paladin

Paladium

Pd

106.42(1)

47

Silver

Silver (Argentum)

Ag

107.8682(2)

48

Cadmi

Cadmium

CD

112,411(8)

49

India

Indium

Print

114,818(1)

50

Tin

Tin (Stannum)

SN

118.710(7)

51

Antimony

Antiomny (Stibium)

Sb

121,760(1)

52

Telua

Tellurium

Te

127.60(3)

53

Iodine

Iodine

I

126,90447(3)

54

Xenon

Xenon

Car

131,293(6)

55

Cezi

Cesium

Cs

132,9054519(2)

56

Bari

Barium

Father

137,327(7)

57

Lantan

Lanthanum

La

138,90547(7)

58

Ceri

Cerium

Ce

140,116(1)

59

Praseodymi

Praseodymium

Pr

140,90765(2)

60

Neodymium

Neodymium

Nd

144,242(3)

sixty one

Promethic

Promethium

Pm

[145]

62

Samaria

Samarium

Sm

150,36(2)

63

Europi

Europium

Eu

151,964(1)

sixty four

Gadolini

Gadonlinium

Gd

157.25(3)

65

Terbi

Terbium

Tb

158,92535(2)

66

Dysprosy

Dysprosium

Dy

162,500(1)

sixty seven

Holmi

Holmium

Cough

164,93032(2)

68

Erbi

Erbium

Er

167,259(3)

69

Thuli

Thulium

Tm

168.93421(2)

70

Ytterbi

Ytterbium

YB

173,054(5)

71

Luteti

Lutetium

Lu

174,9668(1)

72

Hafni

Hafnium

Hf

178.49(2)

seventy three

Tantalum

Tantalum

I

180,94788(2)

74

Wolfram

Tungsten (Wolfram)

W

183.84(1)

75

Rheni

Rhenium

Re

186,207(1)

76

Osmi

Osmium

Os

190.23(3)

77

Iridic

Iridium

Ir

192,217(3)

78

Platinum

Plantinum

PT

195,084(9)

79

Yellow

Gold (Aurum)

Au

196,966569(4)

80

Mercury

Mercury (Hydrargyrum)

Hg

200,592(3)

81

Tali

Thalium

Tl

204.38

82

Lead

Lead (Plumbum)

Pb

207.2(1)

83

Bitmut

Bismuth

Bi

208,98040(1)

84

Polonia

Polonium

Po

[209]

85

Astatine

Astatine

At

[210]

eighty six

Radon

Radon

Rn

[222]

eighty seven

francis

francium

Fr

[223]

88

Leave

Radium

Go out

[226]

89

Actinic

Actinium

Ac

[227]

90

Thori

Thorium

Th

232,03806(2)

91

Protactinium

Protactinium

Pa

231,03588(2)

92

Uranium

Uranium

U

238,02891(3)

93

Neptuni

Neptunium

Np

[237]

ninety four

Plutonium

Plutonium

Pu

[244]

95

Americi

Americium

Am

[243]

96

Curi

Curium

cm

[247]

97

Berkeli

Berkelium

Bk

[247]

98

California

Californium

Cf

[251]

99

Einstein

Einsteinium

Es

[252]

100

Fermi

Fermium

Fm

[257]

101

Mendelevi

Mendelevium

Md

[258]

102

Nobel

Nobelium

No

[259]

103

Lawrenci

Lawrencium

Lr

[262]

104

Rutherfordi

Rutherfordium

Rf

[267]

105

Dubni

Dubnium

Db

[268]

106

Seaborgi

Seaborgium

Sg

[269]

107

Bohri

Bohrium

Bh

[270]

108

Hassi

Hassium

Hs

[269]

109

Meitneri

Meitnerium

MT

[278]

110

Darmstadti

Darmstadtium

Ds

[281]

111

Roentgeni

Roentgenium

Rg

[281]

112

Copernicus

Copernicium

CN

[285]

113

Nihoni

Nihonium

SMALL

[286]

114

Flerovi

Flerovium

Fl

[289]

115

Moscow

Moscovium

MC

[288]

116

Livermori

Livermorium

Lv

[293]

117

Tennis

Tennis

Ts

[294]

118

Oganesson

Oganesson

OG

[294]

Some groups of atoms

Group name

Chemotherapy

Acid base

Mass of acid radical

Corresponding acid

Acid mass

Acidity

Hydroxide

(OH); Nitrate (NO3); Chloride (Cl)

I

NO3

62

HNO3

63

Strong

Sulfate (SO4); Carbonate (CO3)

II

SO4

96

H2SO4

98

Strong

Phosphate (PO4)

III

Cl

35.5

HCl

36.5

Strong

: This name is used in compounds with metals.

PO4

95

H3PO4

98

Medium

CO3

60

H2CO3

62

Very weak (non-existent)

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The complete chemical block atom table and quick mnemonic tips 3

1. Regularly do chemistry homework

This is the optimal method for quickly memorizing the atomic mass table. Once you understand the core of the content you will quickly learn its formula. And after you have memorized the formulas, you should practice often, sometimes have to review it so you don’t forget.

2. Learn through the atomic mass song

Once there are songs about this chemical block atom, it will be easier to memorize and memorize. Here are the 2 most memorable atomic mass songs. Please refer!

First atomic song:

Hydrogen No. 1 departs Lithium No. 7 is afraid of the solstice Carbon 12 Nitrogen 14 years old flower year Oxygen 16 campus Fluoro 19 separate heart of sadness Sodium 23 early spring Magnesium 24 hope for tomorrow Aluminum at the peak of the 27th Silicon 28 who forgets Phosphorus 31 makes up of 32 atoms name Sulfur Chloro 35.5 by itself Potassium 39 humiliation no screen Calcium 40 align 52 Chromium chain endings must be loManganese in parallel(55) compareIron 56 don’t grow on bulky Cobalt 59 Zinc copper 60 establishes excess Copper 63.6 Zinc 65.4Brom 80 nine separate letters Strontium 88 pounds Silver 108 times the number of errorsCatmi one hundred and twelve (112) Tin hundred nineteen (119) and out of the world Ioth 127 does not move Barium 137 strength Platinum 195 Gold 197 hours increase not enough Mercury 2 cents 0 excess(200,0)Lead 2 to 7(207) doesn’t like red flamesRadium 226 wishes Bismut 2 hundred and 9 just rely on himself(209)A clear atomic poemThis heart has decided to confidently learn soldering

Atomic Mass Song 2:

Two three Sodium (Na=23) Remember to write clearly Potassium is not difficultThree easy nine (K=39)When it comes to GoldOne hundred and nine seven (Au=197)Oxium causes fireOnly sixteen (O=16)Also Silver is easyOne hundred odd-eight (Ag = 108) Gray-white Iron Five six has nothing (Fe=56)Think of Beri Immediately remember it as nine (Be=9)Three times nine It's Mr Aluminum's (Al=27)And Crom's is second year (Cr) =52) Of obvious copper Is sixty-four (Cu = 64) Phosphorus without residue Thirty-one (P=31) Two hundred and one Is from Mercury (Hg=201) no hesitation Nitrogen fourteen (N=14) Two times fourteen Non-metallic silicon (Si=28)Calcium easy to findForty even (Ca=40) Manganese fitsFifty-five (Mn=55)Three-five point five Chlorine gas (Cl=35.5)Must remember it well Zinc is six five (Zn=65)Prank sulfurThree two known (S=32)Nothing at allCalcium twelve (C=12) Relatively long bariumOne hundred three seven (Ba=137) Better explode on fire with caution Simple mass Single Hydrogen is one (H=1)And Uncle Iodine who asked immediately said One hundred and twenty-seven (I=127) if two and seven again Lead (Pb = 207) Brom memorized Eighty showed (Br = 80)But  still exists Magnesium twenty-four (Mg=24) no need to subtract Flo nineteen (F=19).

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The complete chemical block atom table and quick mnemonic tips 4

1. Find the element in the compound:

For the first steps in chemistry, this is one of the most common types of lessons. Here is a simple illustrative example:

The compound of metal A combines with acid H2SO4H2SO4 to produce a salt with the formula ASO4ASO4. The total molecular mass of this compound is 160 units. Identify factor A.

We can easily solve this problem as follows:

On the atomic mass table we see

The atomic mass of S is :32

The atomic mass of oxygen is :16

According to the compound formula, we have A+32+16×4=160

>> A=64. It is easy to see that 64 is the atomic mass of Copper. So the factor to look for is Cu.

2. Find the factor when knowing the atomic mass

For a simple multiple-choice exercise in grade 8, you often come across some questions like

Identify the element whose atomic mass is twice that of oxygen

To do this exercise, you need to know that the atomic mass of oxygen is 16, the element whose atomic mass is twice that of oxygen has an atomic mass of 32. It is easy to see, the answer to the question is sulfur.

So we’ve brought you the most complete table of atoms and chemical masses, along with some quick mnemonic tips. Hopefully, after sharing the same article, you have better mastered this area of ​​knowledge. The chemical formulas have also been shared by us in great detail. Find out more!

Copyright of the article belongs to Soc Trang City High School. Any copying is fraud!Shared source: School Cmm.edu.vn (thptsoctrang.edu.vn)

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