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Group 18
Periodic table group 18
6
Chemistry
10th Grade
09/22/2011

Additional Chemistry Flashcards

 


 

Cards

Term

 

2

He

Helium

4.002602

1s2

 

Definition

Atomic number: 2

Atomic Mass: 4.002602

# of Protons: 2 # of electrons: 2 # of nuetrons: 2

Uses: Cools superconducting magnets in MRI scanners, condenses hydrogen and oxygen to make rocket fuel.

 

Term

 

10

Ne

Neon

20.1797

[He]2s22p6

Definition

Atomic Number: 10

Atomic Mass: 20.1797

# of Protons: 10 # of electrons: 10 # of nuetrons: 10

Uses: Often used in advertising signs, Used in vacuum tubes, high-voltage indicators, wave meter tubes, television.

Term

 

18

Ar

Argon

39.948

[Ne]3s23p6

Definition

Atomic number: 10

Atomic mass: 10

# of Protons: 18 # of electrons: 18 # of nuetrons: 18

Uses: Argon gas is used in graphite electric burners to prevent the graphite from burning, used to kill pigs humanely if there is an outbreak of some disease on the farm. Blue argon lasers are used in surgery to weld arteries and correct eye problems.

Term

 

36

Kr

Krypton

83.80

[Ar]3d104s24p6

Definition

Atomic number: 36

Atomic Mass: 83.80

# of protons: 36 # of electrons: 36 # of nuetrons: 36

Uses: used in some photographic flash lamps for high-speed photography, lamps, UV-laser spectral line used for international measurement of a metre.  

Term

 

54

Xe

Xenon

131.29

[Kr]4d105s25p6

Definition

Atomic number: 54

Atomic mass: 131.29

# of Protons: 54 # of electrons: 54 # of nuetrons: 54

Uses: used in making electron tubes, stroboscopic lamps, bactericidal lamps, and lamps used to excite ruby lasers for generating coherent light. used in the atomic energy field in bubble chambers, probes, and other applications where its high molecular weight is of value

 

Term

 

86

Rn

Radon

(222)

[Xe]4f145d106s26p6

Definition

Atomic number: 86

Atomic Mass: (222)

# of Protons: 86 # of electrons: 86 # of Nuetrons: 86

Uses:occasional therapeutic use, earthquake prediction, radiation therapy in hospitals

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