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dybincka [34]
3 years ago
6

Which element has an atom with the greatest tendency to attract electrons in a chemical bond?

Chemistry
2 answers:
slava [35]3 years ago
8 0
Because chlorine has the highest electronegativity among the four, it has the greatest tendency to attract electrons in a chemical bond.

Therefore, (2) chlorine is the best answer.

Hope this helps~
irakobra [83]3 years ago
8 0

Answer: (2) chlorine

Expalanation: 1) Carbon is an element with atomic number 6 and thus has 6 electrons. It's electronic configuration is:

C:1s^22s^22p^2

Carbon needs to lose or gain 4 electrons to attain noble gas configuration.

2) Chlorine is an element with atomic number 17 and thus has 17 electrons. It's electronic configuration is:

Cl:1s^22s^22p^63s^23p^5

Chlorine needs to gain 1 electron to attain noble gas configuration and thus has strongest tendency to attract electrons in a chemical bond.

3) Silicon is an element with atomic number 14 and thus has 14 electrons. It's electronic configuration is:

Si:1s^22s^22p^63s^23p^2

Silicon needs to lose or gain 4 electrons to attain noble gas configuration.

4) Sulfur is an element with atomic number 16 and thus has 16 electrons. It's electronic configuration is:

S:1s^22s^22p^63s^23p^4

Sulfur needs to gain 2 electrons to attain noble gas configuration.

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Answer:

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8 0
2 years ago
A solution is prepared from 4.5701 g of magnesium chloride and 43.238 g of water. The vapor pressure of water above this solutio
balandron [24]

Answer:

i = 2.483

Explanation:

The vapour pressure lowering formula is:

Pₐ = Xₐ×P⁰ₐ <em>(1)</em>

For electrolytes:

Pₐ = nH₂O / (nH₂O + inMgCl₂)×P⁰ₐ

Where:

Pₐ is vapor pressure of solution (<em>0.3624atm</em>), nH₂O are moles of water, nMgCl₂ are moles of MgCl₂, i is Van't Hoff Factor, Xₐ is mole fraction of solvent and P⁰ₐ is pressure of pure solvent (<em>0.3804atm</em>)

4.5701g of MgCl₂ are:

4.5701g ₓ (1mol / 95.211g) = 0.048000 moles

43.238g of water are:

43.238g ₓ (1mol / 18.015g) = 2.400 moles

Replacing in (1):

0.3624atm = 2,4mol / (2.4mol + i*0.048mol)×0.3804atm

0.3624atm / 0.3804atm = 2,4mol / (2.4mol + i*0.048mol)

2.4mol + i*0.048mol = 2.4mol / 0.9527

2.4mol + i*0.048mol = 2.5192mol

i*0.048mol = 2.5192mol - 2.4mol

i = 0.1192mol / 0.048mol

<em>i = 2.483</em>

<em />

I hope it helps!

4 0
3 years ago
How to unscramble dtneinreigs
torisob [31]
ANSWER: Ingredients.
3 0
3 years ago
Read 2 more answers
What is the capillary rise of ethanol in a glass tube with a 0.1 mm radius if the surface tension of ethanol is 0.032Jm2 and the
sweet [91]

Answer: The capillary rise(h) in the glass tube is = 0.009m

Explanation:

Using the equation

h = 2Tcosθ/rpg

Given

Contact angle, θ = Zero

h = height of the glass tube=?

T = surface tension = 0.032J/m^2

r = radius of the tube = 0.1mm =0.0001m

p= density of ethanol = 0.71g/cm^3

g= 9.8m/s^2

h = (2 * 0.032 * cos 0)/( 710*9.8*0.0001)

h= 0.09m

Therefore the capillary rise in the tube is 0.09m

5 0
3 years ago
a sample of unknown material weighs 500 n in air and 200 n when immesersed in alcholol with a specfic gravity of 0.7 what is the
svet-max [94.6K]

Answer: The mass density is 1166.36 kg/m^{3}.

Explanation:

Given: Weight of sample in air (F_{air}) = 500 N

Weight of sample in alcohol (F_{alc}) = 200 N

Specific gravity = 0.7 = 0.7 \times 1000 = 700 kg/m^{3}

Formula used to calculate Buoyant force is as follows.

F_{B} = F_{air} - F_{alc}\\= 500 - 200 \\= 300 N

Hence, volume of the material is calculated as follows.

V = \frac{F_{B}}{\rho \times g}

where,

F_{B} = Buoyant force

\rho = specific gravity

g = acceleration due to gravity = 9.81

Substitute the values into above formula.

V = \frac{F_{B}}{\rho \times g}\\= \frac{300}{700 \times 9.81}\\= \frac{300}{6867}\\= 0.0437 m^{3}

Now, mass of the material is calculated as follows.

mass = \frac{F_{air}}{g}\\= \frac{500 N}{9.81}\\= 50.97 kg

Therefore, density of the material or mass density is as follows.

Density = \frac{mass}{volume}\\= \frac{50.97 kg}{0.0437 m^{3}}\\= 1166.36 kg/m^{3}

Thus, we can conclude that the mass density is 1166.36 kg/m^{3}.

7 0
3 years ago
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