Tema 4. Tabla del Sistema periódico de los elementos Flashcards

1
Q

Cuántos elementos químicos se conocen en la actualidad?

A

118

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2
Q

Qué se utiliza para representar los átomos de cada elemento químico?

A

Un símbolo con una o dos letras. La primera es la inicial y se indica en mayúsculas

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3
Q

Si un elemento se conoce desde la antigüedad qué referencia se toma para obtener el símbolo?

A

Su denominación en latín o griego

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4
Q

Como se representa el sistema periódico?

A

A través de una tabla con 7 filas (períodos) y 18 columnas (grupos). En cada casilla va un símbolo en el orden que indica su número atómico.

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5
Q

Hidrógeno

A

H

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6
Q

Helio

A

He

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7
Q

Litio

A

Li

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8
Q

Berilio

A

Be

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9
Q

Carbono

A

C

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10
Q

Nitrógeno

A

N

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11
Q

Oxígeno

A

O

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12
Q

Fluor

A

F

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13
Q

Neón

A

Ne

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14
Q

Sódio

A

Na

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15
Q

Magnesio

A

Mg

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16
Q

Aluminio

A

Al

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17
Q

Silicio

A

Si

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18
Q

Fósforo

A

P

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19
Q

Azufre

A

Z

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20
Q

Cloro

A

Cl

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21
Q

Argón

A

Ar

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22
Q

Potasio

A

K

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23
Q

Calcio

24
Q

Cromo

25
Manganeso
Mn
26
Hierro
Fe
27
Cobalgo
Cb
28
Niquel
Ni
29
Cobre
Cu
30
Cinc
Zn
31
Arsénico
As
32
Selenio
Se
33
Bromo
Br
34
Kriptón
Kr
35
Rubidio
Rb
36
Estroncio
Sr
37
Paladio
Pd
38
Plata
Ag
39
Cadmio
Cd
40
Estaño
Sn
41
Antimonio
Sb
42
Teluro
Te
43
Yodo
I
44
Xenón
Xe
45
Cesio
Cs
46
Bario
Ba
47
Platino
Pt
48
Oro
Au
49
Mercurio
Hg
50
Plomo
Pb
51
Polonio
Po
52
Astato
At
53
Radón
Rn
54
Francio
Fr
55
Radio
Rd