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amm1812
3 years ago
7

How many valance electrons are in an Adam of each element in group 15 in the periodic table

Chemistry
2 answers:
GuDViN [60]3 years ago
5 0

Answer:5

Explanation:The pnictogen group, or nitrogen group, is located in column 15 of the periodic table. This family consists of the elements nitrogen, phosphorus, arsenic, antimony, bismuth, and ununpentium (N, P, As, Sb, Bi, and Uup, respectively). Each member of this family contains five valence electrons.

vovikov84 [41]3 years ago
3 0

Nitrogen is found to have either 3 or 5 valence electrons and lies at the top of Group 15 on the periodic table. It can have either 3 or 5 valence electrons because it can bond in the outer 2p and 2s orbitals.

See if that helps

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Which contains more hydrogen atoms? a five-carbon saturated hydrocarbon molecule or a five-carbon unsaturated hydrocarbon molecu
Studentka2010 [4]

The organic compound which contains more hydrogen atoms is a five-carbon saturated hydrocarbon molecule

<h3>What are organic compounds?</h3>

Organic compounds are compounds are those compounds containing carbon and hydrogen only.

Some classes of organic compounds are:

  • Alkanes
  • Alkenes
  • Alkynes

So therefore, the organic compound which contains more hydrogen atoms is a five-carbon saturated hydrocarbon molecule

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4 0
1 year ago
How many grams of aluminum metal can be produced when 50.0 grams of aluminum chloride decompose? 2AlCl3 → 2Al + 3Cl2
Arisa [49]

Answer:

10.1 g of Al are formed

Explanation:

The reaction is:

2AlCl3 --> 2Al + 3Cl2

So 2 moles of aluminun chloride decompose into 2 moles of Al and 3 moles of chlorine.

Ratio is 2:2.

Let's convert the mass of salt into moles (mass / molar mass)

50 g / 133.34 g/mol = 0.374 moles.

As the ratio is 2: 2, if I have 0.374 moles of salt, I would produce the same amount of Al, just 0.374.

Let's convert the moles to mass

(Mol . molar mass)

0.374 mol . 26.98 g / mol = 10.1 g of Al are formed

Ξ

7 0
3 years ago
Give the chemical symbols for the following elements: (a) potassium, (b) tin, (c) chromium, (d) boron,(e) barium, (f) plutonium,
Ilia_Sergeevich [38]

Answer:

A) Alkili Metal

B) Basic Metal

C)  Transition Metal

D) Semimetal

E) Alkiline Earth

F) Actinide

G) Nonmetal

H) Noble Gas

I) Transitional Metal  

Hope This Helps

8 0
3 years ago
The carbon-14 radioisotope has proved most useful in:
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Measuring the amount of radiation in an area
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3 years ago
In terms of electron energy band structure, discuss reasons for the difference in electrical conductivity between metals, semico
Tema [17]

The number of electrons in the valence shell determines conductivity. Metals, for instance, have a gap in their valence shell. This makes it simple to stimulate electrons so they can switch bands. There are no open electron sites in the outer shell of semiconductors and insulators.

For this to happen, an electron must have sufficient energy to cross into a different band. Consequently, a wider gap must be filled, using more energy. The band gap of insulators is wider than that of semiconductors. Therefore, the conductivity of a material has a direct relationship with the band gap size.The ability of water to conduct an electrical current is measured by its conductivity. Conductivity rises with salinity because dissolved salts and other inorganic compounds carry electrical current. Oil and other organic materials have a low electrical conductivity in water because they do not conduct electricity well. Temperature also has an impact on conductivity; the higher the conductivity, the warmer the water. Conductivity is a helpful indicator of water quality in general.

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3 0
1 year ago
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