jazz9876

20.01.2021 • 

Chemistry

Question 1: Which of the above electron dot diagrams is WRONG and why? A) Fluorine F because it is supposed to have 8 Valence electrons

B) Carbon C because it supposed to have 8 valence electrons

C) Nitrogen N because it is supposed to have 6 valence electrons

D) Oxygen O because it is supposed to have 6 Valence electrons

Question 2: How many valence electrons does an atom of Argon have?

A) 8

B) 7

C) 6

D) 5

Question 3: What is the proper value for F in the above table. (Picture of table above..)

A) 28

B) 30

C) 2+

D) 2-

Question 4: What is the proper value for C in the above table. (Use the same picture as the previous question)

A) 28

B) 30

C) 32

D) 65

Ответ:

jordanrose98

28.06.2021

Chemistry

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Color: Oxygen is colorless 2.Texture: Oxygen does not have a texture 3.Ability to conduct electricity: It is impossible for oxygen to conduct electricity 4.Density: 1.429g 5.State at room temperature: Most definitely a gas 6.Common compounds it forms: (a)Water, H2O (b)Iron Oxide or Rust, Fe2O3 (c)Carbon dioxide, CO2 (d)Hydrogen peroxide, H2O2 (e)Alcohol, R-OH 7.Melting Point: -218.3°C 8.Boiling Point :-182.9°C 9.Potential hazard - The rate of combustion can be severely increased by Oxygen and can cause a fire to dangerously ignite.these are the eight properties

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