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Leviafan [203]
3 years ago
15

explain how chemists can state with certainty that no one will discover an element between sulfur and chlorine?

Chemistry
1 answer:
anygoal [31]3 years ago
4 0
<span>Elements are distinguished based on their number of protons. Chlorine has exactly one proton more than sulfur. Since there cannot be fractions of protons, there can be no element between sulfur and chlorine on the periodic table.</span>
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Examine the statement about alchemy
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Answer: B.

Explanation:

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2 years ago
Due to the small and highly electronegative nature of fluorine, the oxyacids of the this element are much less common and less s
steposvetlana [31]
We are told we have an oxyacid of the formula HOFO. We will assume the atoms are in this order and will draw a proper lewis structure for this compound by first drawing bonds between each of the 4 atoms and then place the remaining electron pairs on each atom:
      ..    ..    ..
H - O - F - O:
      ··   ··    ··
We can calculate the formal charge of an atom using the following formula:

Formal charge = [# of valence electrons] - [# of non-bonded electrons + # of bonds]

H: Formal charge = [1]-[0+1] = 0

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F: Formal charge = [7]-[4+2] = +1

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4 0
3 years ago
The following equation represents the type of reaction called
Eva8 [605]

Answer: C REDUCTION

Explanation:

Guessed after knowing oxidation isn't the answer. Got right

7 0
3 years ago
If gas in a sealed container has a pressure of 50 kPa at 300 K, what will the pressure be if the temperature rises to 360 K?
VLD [36.1K]
The answer is 60 kpa, also did you try look it up because that is what i did but i did not copy and paste it. 

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6 0
3 years ago
A 4.00g sample of helium has a volume of 24.4L at a temperature of 25.0oC and a pressure of 1.00 atm. The volume of the helium i
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Answer:

0.41 moles.

Explanation:

Given that:

Mass of helium = 4.00 g

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initial Temperature = 25.0 °C =( 25 + 273) = 298 K

initial Pressure = 1.00 atm

The volume was reduced to :

i.e

final volume of the helium - 10.4 L

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Temperature and pressure remains constant.

The new quantity of gas can be calculated by using the ideal gas equation.

PV = nRT

n = \frac{PV}{RT}

n = \frac{1.00*10.0}{0.082057*298}

n = 0.4089 moles

n = 0.41 moles.

7 0
3 years ago
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