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Papessa [141]
3 years ago
6

What are the oxidation numbers for groups 1-18 (skip groups 3-12)

Chemistry
2 answers:
Over [174]3 years ago
6 0
Group1- 1+
Group2- 2+
Group13- 3+
Group14- 4+/-
Group15- 3-
Group16- 2-
Group17- 1-
Group18- 0
Brilliant_brown [7]3 years ago
4 0
Group 1: +1
Group 2: +2
Group 13: +3
Group 14: +4
Group 15: -3
Group 16: +II
Group 17: -1
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Answer:

Argon

Explanation:

The element that would most likely be a good substitute for neon is "argon".

These two elements belong to the noble gases in Group 18(8A) of the Periodic Table. They are inert gases - they do not react chemically with other substances.

Argon, as an inert gas is often used whenever an inert atmosphere is needed. Argon is used in incandescent light bulbs. It is used to stop oxygen from corroding the filament. It is also used by welders to protect weld area.

Argon is a good substitute for neon in this context because they possess some physical properties which are similar.

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What mass of carbon is needed to make 132 grams of carbon dioxide?​
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vichka [17]

Answer:

So, only one electron is there with n = 0, l = 0 and its quantum set is n = 0, l = 0, ml = 0, ms = -1/2. Hope, this is helping. The maximum number of electrons that can fit inside a 'n' shell is 2n^2. So it would be 1.

Explanation:

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3 years ago
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3 years ago
CzHy + 502 3 CO2 + 4H20
soldi70 [24.7K]

Answer: 8 moles

Explanation:

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The balanced equation above shows the combustion of propane, C3H8 (for x is 3; y is 8) in oxygen, O2 to yield carbon dioxide, CO2 and water, H2O

The mole ratio on combustion are as follows:

5 moles of O2 react to produce 3 moles of CO2

Z mole of O2 react to produce 4.8 moles of CO2

To get the value of Z, cross multiply

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Thus, in the combustion of propane, 8 moles of oxygen (O2) are needed to react to produce 4.8 moles of carbon dioxide (CO2)

7 0
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