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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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What is the chemical formula for sodium sulfate?
yan [13]

Hello!

When finding the chemical formula of a compound, we will need to find the charges of each element/bond.

Looking at our period table, sodium has a +1 charge, written as Na 1+, and sulfate has a charge of -2, and it is written as SO4 2-.

Now, we need to make the charges equivalent. To do this, we need to "criss-cross" the charges. This means that sodium will need to additional atoms to make the charges equal, and sulfate will need one.

Therefore, the chemical formula for sodium sulfate is: Na2SO4.

5 0
3 years ago
PLEASE HELP!!! I'll give brainliest answer
ELEN [110]

Answer:

1. MG

2. N

3. F

4. NA

5. O

6. K

3 0
2 years ago
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dimaraw [331]

Answer:

neon gas

Explanation:

neon is a noble gas, meaning it has a full outer shell of elections. this means it is stable and is very unlikely to have a reaction with another substance.

7 0
2 years ago
A glucose solution has a density of 1.02 g/ml. what is its specific gravity
Makovka662 [10]
Answer is: specific gravity of glucose is 1,02.
d(glucose) = 1,02 g/ml.
d(water) = 1,00 g/ml.
Specific gravity of glucose = density of glucose ÷ density of water.
Specific gravity of glucose = 1,02 g/ml ÷ 1,00 g/ml.
Specific gravity of glucose = 1,02.
Specific gravity<span> is the ratio of the </span>density<span> of a substance (in this case glucose) to the density of a reference substance (water).</span>
4 0
3 years ago
Read 2 more answers
A 1.250-g sample of benzoic acid, C7H6O2, was placed in a combustion bomb. The bomb was filled with an excess of oxygen at high
Degger [83]

Answer:

3224 kJ/mol

Explanation:

The combustion of benzoic acid occurs as follows:

C₇H₆O₂ + 13/2O₂ → 7CO₂ + 3H₂O + dE

The change in temperature in the reaction is the change due the energy released, that is:

3.256K * (10.134kJ / K) = 33.00kJ are released when 1.250g reacts

To find the heat released per mole we have to find the moles of benzoic acid:

<em>Moles benzoic acid -Molar mass: 122.12g/mol-:</em>

1.250g * (1mol / 122.12g) = 0.0102 moles

<em />

The dE combustion per mole of benzoic acid is:

33.00kJ / 0.0102moles =

<em>3224 kJ/mol </em>

4 0
3 years ago
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