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3 years ago

Lists how many valence electrons are shared, gained, or lost by each atom of the 6 compounds?

1 answer:

6 0

<span>The number of electrons in an atom's outermost valence shell governs its bonding behavior.

In N</span>₂, three electrons are being shared by each nitrogen atom, making a total of 6 shared electrons.

In CCl₄, 4 electrons are being shared by each carbon atom and 1 electron is being shared by each chlorine atom

In SiO₂, 4 electrons are being shared by each silicon atom and 2 electrons are being shared by each oxygen atom.

In AlCl₃, 3 electrons are being shared by each aluminum atom and 1 electron is being shared by each Cl atom

In CaCl₂, 2 electrons are lost by the calcium atom and 1 electron is gained by each chlorine atom

In LiBr, 1 electron is lost by the lithium atom and 1 electron is gained by the bromine atom

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Silver Nitrate & Potasiumbromide

Bezzdna [24]

Answer:

For example, when silver nitrate and potassium bromide are mixed, a precipitate of silver bromide forms. The ions that remain in solution are written together as an aqueous, ionic compound on the products side. ... These ions, which do not form a precipitate, are called spectator ions.

7 0

3 years ago

Give the name and formula of the compound formed from the following elements:<br> (c) ₉₀Q and ₅₃R

Brut [27]

The name of the compound is Thorium (IV) Iodide and formula of the compound ThI₄.

<h3>What is Molecular Formula ?</h3>

The chemical formula that gives total number of atoms of each element in one molecule of a compound is called Molecular Formula.

<h3>What is Atomic Number ?</h3>

The number of proton which is used to separate one element from the other element is called Atomic Number.

here the atomic of the element Q is 90 and the atomic number of R is 53. The element Q is Thorium. Symbol of Thorium is Th. The element R is Iodine. Symbol of Iodine is I.

The valency of thorium is +4 and valency of Iodine is -1. So the formula of the compound is ThI₄.

Thus from the above conclusion we can say that The name of the compound is Thorium (IV) Iodide and formula of the compound ThI₄.

Learn more about the Atomic Number here: brainly.com/question/4206478

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7 0

2 years ago

Chemical reactions happen when _____. a.atoms attract or repel one another b.heat is created by friction c. two or more substanc

melomori [17]

Answer:

Explanation:

5 0

3 years ago

Calculate with the correct number of significant figures 2.0 x 10^5 x 3.00 x 10^8

xxMikexx [17]

Answer:

the correct answer is 17 significant figures

3 0

3 years ago

In vacuum, the speed of light is c= 2.998 x 108m/s. However, the speed generally decreases when light travels through media othe

Kaylis [27]

Answer:

Light of wavelength 200 nm will have lowest frequency in while traveling through diamond.

Explanation:

Speed of the light in vacuum = c

Relation between speed of light , wavelength (λ) and frequency (ν);

$\nu =\frac{c}{\lambda }$

Speed of light in a medium = c' = c/n

$\nu =\frac{c'}{\lambda }=\frac{c}{n\times \lambda }$ ...[1]

Where : n = refractive index of a medium

So, the medium with greater value of refractive index lower the speed of light to greater extent.

From [1] , we can see that frequency of light is inversely proportional to the refractive index of the medium :

$\nu \propto \frac{1}{n}$

This means that higher the value of refractive index lower will be the value of frequency of light in that medium or vice-versa.

According to question, light of wavelength 200 nm will have lowest frequency in while traveling through diamond because refractive index of diamond out of the given mediums is greatest.

Increasing order of refractive indices:

$H_2$

Decreasing order of frequency of light 210 nm in these medium :

$H_2>H_2O>CCL_4>\text{Silicon oil}> Diamond$

4 0

3 years ago