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Alecsey [184]
3 years ago
7

The element fluorine forms a(n) _______ with the charge__________ . The symbol for this ion is____________ , and the name is ___

__________. The number of electrons in this ion is__________
Chemistry
1 answer:
kobusy [5.1K]3 years ago
6 0

Answer:

A chemical element exhibiting the symbol F and atomic number 9 is fluorine. It prevails as an extremely toxic pale yellow diatomic gas at normal circumstances and is the lightest halogen. It is exceptionally reactive as it reacts with all the other elements except for helium, argon, and neon, and is the most electronegative element.

Fluorine like halogens produces an anion with a charge of -1 to acquire stability. The symbol for this ion is F-, and the name given to the ion is fluoride ion. The atomic number of fluorine is 9, therefore, the number of electrons in this anion is 9+1 = 10.

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Hydrogen gas and nitrogen gas come together to form ammonia. If 25.0 g of nitrogen is mixed with hydrogen, what volume of hydrog
jeka94

Answer:

60.0L of hydrogen are needed

Explanation:

Based on the reaction:

3H₂ + N₂ ⇄ 2NH₃

<em>3 moles of hydrogen react 1 mole of nitrogen.</em>

<em />

To solve this question we have to find the moles of nitrogen. With the moles of nitrogen we can find the moles of hydrogen. Using PV = nRT at STP conditions we can find the volume as follows:

<em>Moles Nitrogen -Molar mass: 28g/mol-</em>

25.0g N₂ * (1mol / 28g) = 0.893 moles N₂

<em>Moles hydrogen: </em>

0.893 moles N₂ * (3mol H₂ / 1mol N₂) = 2.679 moles H₂

<em>Volume hydrogen:</em>

PV = nRT

V = nRT / P

<em>Where V is volume in liters,</em>

<em>n are moles of the gas: 2.679 moles</em>

<em>R is gas constant: 0.082atmL/molK</em>

<em>T is absolute temperature: 273.15K at STP</em>

<em>P is 1atm at STP</em>

Replacing:

V = 2.679mol*0.082atmL/molK*273.15K / 1atm

V =

<h3>60.0L of hydrogen are needed</h3>

<em />

6 0
3 years ago
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