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1 year ago

the ground-state valence-shell configuration of a particular atom is 4d105s25p1. the element to which this atom belongs is a

Chemistry

1 answer:

just olya [345]1 year ago

6 0

The element to which this atom belongs is a p-block main-group element.

What is general electronic configuration?

Electronic configuration or general electron configuration or electronic structure of atoms or ions is the arrangement of orbital energy levels for s, p, d, and f-block elements of the periodic table.

Which group are p-block elements in the periodic table write the general electronic configuration of a p-block element?

Groups 13, 14, 15, 16, and 17 elements comprise the p-block elements. The general configuration of p-block elements is ns2np(1−6).

What is the general configuration of p- block elments?

The general electronic configuration of p-block elements is ns2np1-6 (Except Helium). The number of electrons in the p-block element's penultimate shell is either 2 or 8 or 18.

Therefore, the element belongs to the p-block.

To know more about p-block elements:

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The equilibrium constant, Kc, for the following reaction is 56.0 at 278 K. 2CH2Cl2(g) CH4(g) + CCl4(g) When a sufficiently large

BabaBlast [244]

Answer:

21.5 M

Explanation:

1) Equilibrium equation (given):

2CH₂Cl₂ (g) ⇄ CH₄ (g) + CCl₄ (g)

2) Write the concentration changes when some concentration, A, of CH₂Cl₂ (g) sample is introduced into an evacuated (empty) vessel:

2CH₂Cl₂ (g) ⇄ CH₄ (g) + CCl₄ (g)

A - x x x

3) Replace x with the known (found) equilibrium concentraion of CCl₄ (g) of 0.348 M

2CH₂Cl₂ (g) ⇄ CH₄ (g) + CCl₄ (g)

A - 0.3485 0.348 0.348

4) Write the equilibrium constant equation, replace the known values and solve for the unknown (A):

Kc = [ CH₄ (g) ] [ CCl₄ (g) ] / [ CH₂Cl₂ (g) ]²

56.0 = 0.348² / A²

A² = 56.0 / 0.348² = 462.

A = 21.5 M ← answer

7 0

2 years ago

Write the atomic symbol for the isotope of bismuth with 125 neutrons.

vlada-n [284]

First, isotopes are the atoms of a single element whose nuclei have a different number of neutrons, and therefore, differ in mass numbers. You should know that atoms are formed by a nucleus that has a small size and is made up of protons and neutrons. The nucleus is surrounded by a cloud of electrons, which are found in a region of the atom called the cortex.

The mass number, represented as A, is the sum of the number of protons and neutrons in the nucleus. On the other hand, the atomic number (Z) is the number of protons that exist in the nucleus.

The isotopes of an element X are represented as follows,

(see first attached picture)

It should be noted that the number of neutrons of a chemical element can be calculated as the difference A-Z.

The atomic and mass numbers of bismuth with 125 neutrons are:

Z = 83

A = 83 + 125 = 208

Thus, the atomic symbol of the bismuth isotope with 125 neutrons is:

(see second attached picture)

5 0

2 years ago

What's the Balance equation for: _C4H10O +_ O2--->_CO2+_H20

steposvetlana [31]

Answer:

C₄H₁₀O + 6O₂ ⇒ 4CO₂ + 5H₂O

Explanation:

Match the amount of reactants and products on both sides of the equation.

3 0

3 years ago

If the Dry bulb reads 25 degrees Celsius and the wet bulb reads 22

Nitella [24]

Answer:

Relative humidity is low .

Explanation:

The wet bulb reads low temperature because due to low humidity of atmosphere , evaporation of water takes place from the wet bulb which makes the bulb cool and therefore it reads lower temperature . In the process of evaporation , heat equal to latent heat of vaporization is taken from the bulb and it loses temperature.

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2 years ago

How the ph values can be used to compare the strength of hydrochloric acid and ethanoic acid?

devlian [24]

An aqueous solution of hydrozen chloride: Strongly corrosive acids
A colouriess punpent liquid widely used in manufacturing plastic and pharmaceutical

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2 years ago