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3 years ago

Which statement is true about ionic compounds?

Chemistry

2 answers:

andrew-mc [135]3 years ago

5 0

Answer:

They are made up of particles that are arranged in a repeating pattern.

Explanation:

yeAH

Nataliya [291]3 years ago

3 0

I believe that the best answer among the choices provided by the question is<span>They are made up of particles that are arranged in a repeating pattern.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.

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Why does the nitrogen concentration decrease after hydrogen is added? n2(g)+3h2(g)⇌2nh3(g) why does the nitrogen concentration d

Leno4ka [110]

<span>The chemical reaction of a reversible reaction is actually governed by Le Chatelier’s principle. It states that when more reactants are introduced into the system, the reaction will proceed forward to create more products. So since Hydrogen is a reactant and Nitrogen is also reactant so adding more Hydrogen makes more products hence reducing the Nitrogen concentration.</span>

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3 years ago

What causes water to increase in density?

murzikaleks [220]

Explanation:

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3 years ago

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How many valence electrons does chlorine have?

Advocard [28]

Valence Electrons has $\boxed{7}$ chlorine

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If you burn 28.2g of hydrogen and produce 252g of water, how much oxygen reacted

andrey2020 [161]

15% oxygen is reacted

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3 years ago

What is the mass in grams of a single formula unit of silver chloride, AgCI? A) 4.21 x 1021 g B) 8.61 x 10258 C) 1.66 x 10-248 D

bekas [8.4K]

Answer: D) $2.38*10^-^2^2$ g

Explanation: The question asks to convert formula unit to grams. It is a unit conversion problem.

1 mole equals to Avogadro number of formula units. So, to convert the given number of formula units to moles, we need to divide by the Avogadro number. After this, we do moles to grams conversion and for this the moles are multiplied by the molar mass of the compound. Molar mass of AgCl is 143.32 gram per mol.

$1FormulaUnitAgCl(\frac{1mol}{6.022*10^2^3formulaUnits})(\frac{143.32g}{1mol})$

= $2.38*10^-^2^2$ g

So, the correct option is D) $2.38*10^-^2^2$ g

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3 years ago

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