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KIM [24]
3 years ago
6

Ionic bonds •ionic bonds form between ______________ and _________________. •in naming simple ionic compounds, the ____________

is always first, the ____________ second (e.g., sodium chloride). • ionic compounds dissolve easily in ________________ and other polar solvents. •in solution, ionic compounds easily _______________________________. •ionic compounds tend to form ________________ with _______ melting temperatures.
Chemistry
1 answer:
grigory [225]3 years ago
6 0
Metals, non-metals
metal, non-metal
water
ionise
salts
low
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Which of the following series of isoelectronic ions (Mg²⁺, N³⁻, F⁻, Si⁴⁺) has the ionic radii in order of largest to smallest? A
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Answer:

Option (d) is correct

N³⁻ > F⁻ > Mg²⁺ > Si⁴⁺

Explanation:

Total electrons for all the species = 10

So these are <u>iso electronic</u> with each other.

We know

Ionic radii ∝ \frac{Magnitude of Negative Charge}{Magnitude of Positive Charge}

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4 0
3 years ago
A reaction produces 0.883 moles of H₂O. How many molecules are produced?
prisoha [69]
The answer is 5.32 × 10²³ molecules

<span>Avogadro's number is the number of units (atoms, molecules) in 1 mole of substance:
</span>6.023 <span>× 10²³ units per 1 mole

We have 0.883 moles.
If 1 mole has </span>6.023 × 10²³ molecules, 0.883 moles will have x molecules:
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x = 6.023 × 10²³ molecules * 0.883 moles : 1 mole = 5.32 × 10²³ molecules
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Fynjy0 [20]

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It also prevents corrosion.

Here is a quote from google "Antifreeze works because the freezing and boiling points of liquids are “colligative” properties. This means they depend on the concentrations of “solutes,” or dissolved substances, in the solution. A pure solution freezes because the lower temperatures cause the molecules to slow down"

That quote is from "The Science Behind Antifreeze"

If you have any questions feel free to ask in the comments.

4 0
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