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2 years ago

Which compound contains both sigma and pi bonds

2 answers:

8 0

The difference starts with sigma bonds. Electrons are disabled by nuclear attraction from both bonding nuclei, while within pi bonds, electrons are loosely held in the general proximity of either bonding nucleus. All pi bonds are naturally delocalisable. People are most commonly used to call it “double bond character,” but since it can occur for triple bonds as well as bonding that never even fully constitutes a double bond, stigma character and pi character are more appropriate, in my opinion.

Misha Larkins [42]2 years ago

6 0

Any compound with multiple covalent bonds

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Jill then wrote the formulas for all the possible compounds that sodium can form with the other ions. What formulas did she writ

sp2606 [1]

Explanation:

Sodium has atomic number of 11 and its electronic configuration is given by:

$[Na]=1s^22s^22p^63s^1$

The nearest stable electronic configuration to sodium is of the neon. So, in order to attain stability of noble gas it will loose its single electron.

$Na\rightarrow Na^++1e^-$

$[Na^+]=1s^22s^22p^63s^0$

Sodium has single valency that is 1.

Let nbe the valency of the ion 'X'

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

$Na_nX_1$

So, the formulas for all the possible compounds that sodium can form with the other ions will be:

$Na_nX_1$

4 0

3 years ago

Write the complete symbol for a positron

gladu [14]

Answer:

(β⁺), and another one is 01e

5 0

3 years ago

Force and distance are used to calculate work, work is measured in

Natali [406]

Work is measured in joules. hope this helps!

7 0

2 years ago

Read 2 more answers

Which of the following terms refers to the number of moles of solute per liter of solution?

Anika [276]

Molarity
Molarity is a unit used to express the concentration of a substance, and it is defined as the number of moles of solute per decimeter cubed (liter) of solvent.

5 0

3 years ago

A mixture of noble gases [helium (MW 4), argon (MW 40), krypton (MW 83.8), and xenon (MW 131.3)] is at a total pressure of 150 k

kodGreya [7K]

Answer:

a) 1,6%

b) 64,775 g/mol

c) 3,6×10⁻² M

d) 2,3×10⁻³ g/mL

Explanation:

a) The mass fractium of helium is obtained converting the moles of the four gases to grams with molar weight and then caculating of the total of grams how many are of helium, thus:

Helium: 0,25 moles × $\frac{4 g}{1 mol}$ = 1 g of Helium
Argon: 0,25 moles × $\frac{40 g}{1 mol}$ = 10 g of Argon
Krypton: 0,25 moles × $\frac{83,8 g}{1 mol}$ = 20,95 g of krypton
Xenon: 0,25 moles × $\frac{131,3 g}{1 mol}$ = 32,825 g of Xenon