Elements Flashcards

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0
Q

Helium

A

He

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1
Q

Hydrogen

A

H

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2
Q

Lithium

A

Li

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3
Q

Beryllium

A

Be

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4
Q

Boron

A

B

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5
Q

Carbon

A

C

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6
Q

Nitrogen

A

N

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7
Q

Oxygen

A

O

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8
Q

Fluorine

A

F

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9
Q

Neon

A

Ne

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10
Q

Sodium

A

Na

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11
Q

Magnesium

A

Mg

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12
Q

Aluminum

A

Al

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13
Q

Silicon

A

Si

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14
Q

Phosphorus

A

P

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15
Q

Sulfur

A

S

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16
Q

Chlorine

A

Cl

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17
Q

Argon

A

Ar

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18
Q

Potassium

A

K

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19
Q

Calcium

A

Ca

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20
Q

Titanium

A

Ti

21
Q

Manganese

A

Mn

22
Q

Iron

A

Fe

23
Q

Cobalt

A

Co

24
Q

Nickel

A

Ni

25
Q

Copper

A

Cu

26
Q

Zinc

A

Zn

27
Q

Bromine

A

Br

28
Q

Krypton

A

Kr

29
Q

Silver

A

Ag

30
Q

Tin

A

Sn

31
Q

Iodine

A

I

32
Q

Xenon

A

Xe

33
Q

Barium

A

Ba

34
Q

Tungsten

A

W

35
Q

Platinum

A

Pt

36
Q

Gold

A

Au

37
Q

Mercury

A

Hg

38
Q

Lead

A

Pb

39
Q

Uranium

A

U

40
Q

Most common matter on universe(1.2.)

A
  1. Hydrogen

2. Helium

41
Q

Most common element on earth(1.2.)

A
  1. Nitrogen

2. Oxygen

42
Q

Most common element in humans (1.2.)

A
  1. oxygen

2. carbon

43
Q

Democritus

A

Ancient Greek philosopher, (492 BCE) remembered for idea of atoms and the atomic theory

44
Q

John Dalton

A

English chemist, pioneered studies of atomic theory-theory that all matter is made up of tiny particles

45
Q

Ernest Rutherford

A

Discovered different parts of atoms in 1909

46
Q

J.J. Thomson

A

Discovered electron in 1897

47
Q

Niels Bohr

A

Discovered Bohr model which describes energy of an atom in 1913

48
Q

James Chadwick

A

Discovered the neutron in 1932

49
Q

Mendeleev

A

Arranged the elements in the periodic table

50
Q

Moseley

A

Positioned elements on the table more accurately