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3 years ago

15

What properties characterize ionic compounds

1 answer:

nevsk [136]3 years ago

8 0

<span>The atoms in a compound are held together by a chemical bond. The chemical bonds can be either covalent bonds or ionic bonds. Both the bonds are considered very strong bonds. These bonds are mainly formed by sharing of electrons or in the case when one of the elements making the compound donates electron to the other element. The nucleus of each atom attracts to form a strong bond. This property of attraction between the nucleus of the atoms actually helps in forming the chemical bonds. </span>

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How many moles of He are in 16 g of the element? 1.0 mol 4.0 mol 8.0 mol 16 mol

Lady bird [3.3K]

Answer: 4 Mole

Explanation:

16/4 = 4

4 0

4 years ago

Write the name for the IONIC compound that contains two aluminum atoms and three sulfur atoms. (Need help ASAP)

Arada [10]

Ionic compound
Al +3 charge, Aluminum
S -2 charge, Sulfur

Al2S3

6 0

3 years ago

If 26.2 mL of AgNO3 is needed to precipitate all the Cl− ions in a 0.785-mg sample of KCl (forming AgCl), what is the molarity o

sweet-ann [11.9K]

<u>Answer:</u>

<em>The molarity of the $AgNO_3$ solution is $4.02 \times 10^4 M$ </em>

<em></em>

<u>Explanation:</u>

The Balanced chemical equation is

$1AgNO_3 (aq) +1KCl (aq) > 1 AgCl (s)+1KNO_3 (aq)$

Mole ratio of $AgNO_3$ : KCl is 1 : 1

So moles $AgNO_3$ = moles KCl

$Moles KCl = \frac {mass}{molarmass}$

$= \frac {0.785 mg}{(39.1+35.5 g per mol)}$

$= \frac {0.000785 g}{74.6 g per mol}$

$= 0. 0000105 mol KCl$

$= 0.0000105 mol AgNO_3$

So Molarity

$= \frac {moles of solute}{(volume of solution in L)}$

$= \frac {0.0000105 mol}{26.2 mL}$

$=\frac {0.0000105 mol}{0.0262 L}$

= 0.000402M or mol/L is the Answer

(Or) $4.02 \times 10^4 M$ is the Answer

6 0

3 years ago

6 Li + Zn3(PO4)2 ------- > 2 Li3PO4 + 3 Zn

bogdanovich [222]

Moles of Lithium phosphate : 0.495

<h3>Further explanation</h3>

Given

6 Li + Zn₃(PO₄)₂ ------- > 2 Li₃PO₄ + 3 Zn

Required

Moles of Lithium phosphate

Solution

moles of Zinc(Ar=65,38 g/mol) :

= mass : Ar

= 48.6 : 65.38

= 0.743

From equation, mol ratio of Zn : Li₃PO₄ = 3 : 2, so mol Li₃PO₄ :

= 2/3 x mol Zn

= 2/3 x 0.743

= 0.495

3 0

3 years ago

The properties of each state of a substance are due largely to the degree (amount) of intermolecular bonding.

Viktor [21]

Answer:

true

Explanation:

5 0

3 years ago

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