Elements that are characterized by the filling of p orbitals are classified as _____.a. Groups 3A through 8A
b. transition metals
c. inner transition metals
d. groups 1A and 2A

Answers

Answer 1
Answer:

Answer : The correct option is, (a) Groups 3A through 8A

Explanation :

The general electronic configurations of :

Group 1A :ns^1

Group 2A :ns^2

Group 3A : ns^2np^1

Group 4A :ns^2np^2

Group 5A : ns^2np^3

Group 6A : ns^2np^4

Group 7A :ns^2np^5

Group 8A : ns^2np^6

Transition metal :(n-1)d^((1-10))ns^((0-2))

Inner transition metal (Lanthanoids) :4f^((1-14))5d^((0-1))6s^2

Inner transition metal (Actinoids) :5f^((0-14))6d^((0-1))7s^2

From the general electronic configurations, we conclude that the groups 3A through groups 8A elements that are characterized by the filling of p-orbitals.


Answer 2
Answer:

Elements that are characterized by the filling of p orbitals are classified as \boxed{{\text{a}}{\text{. Groups 3A through 8A}}} .

Further Explanation:

In order to make the study of numerous elements easier, these elements are arranged in a tabular form in increasing order of their atomic numbers. Such a tabular representation of elements is called a periodic table. Horizontal rows are called periods and vertical columns are called groups. A periodic table has 18 groups and 7 periods.

a. Groups 3A through 8A

The elements from group 3A to 8A has the general outermost electronic configuration of n{s^2}n{p^(1 - 6)}. So the added electrons are to be filled in p orbitals.

b. Transition metals

These metals have the general valence configuration of \left( {n - 1} \right){d^(1 - 10)}n{s^(0 - 2)}. This indicates that the added electrons enter either s or d orbitals.

c. Inner transition metals

These are classified as lanthanoids and actinoids. The general outermost configuration of lanthanoids is 4{f^(1 - 14)}5{d^(0 - 1)}6{s^2} while that of actinoids is 5{f^(0 - 14)}6{d^(0 - 1)}7{s^2}. In both cases, the added electron enters either d or f orbitals.

d. Groups 1A and 2A

The elements of group 1A have the general valence electronic configuration of n{s^1}. It implies the last or valence electron enters in the s orbital. The group 2A elements have a general configuration of n{s^2}. Here also the last electron enters the s orbital.

So elements from groups 3A to 8A are classified by the filling of p orbitals and therefore option a is correct.

Learn more:

  1. Which ion was formed by providing the second ionization energy? brainly.com/question/1398705
  2. Write a chemical equation representing the first ionization energy for lithium: brainly.com/question/5880605

Answer details:

Grade: High School

Subject: Chemistry

Chapter: Periodic classification of elements

Keywords: periodic table, configuration, ns1, ns2, d, p, f, 3A, 8A, transition metals, inner transition metals, lanthanoids, actinoids, orbitals, 1A, 2A.


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A gas occupies 12.3 l at a pressure of 40 mm hg. what is the volume when the pressure is increased to 60 mm hg

Answers

From boyles law.
P1v1=P2v2
So,12.3×40=v×60
V= 12.3×40/60
8.2
Boyle's Law states an inverse relationship between volume and pressure. If the constant of proportionality is 12.3×40 which is 492, the volume would be 492÷60 which is 8.2.

Answer is 8.2 I

The electron configuration of nitrogen (N)

Answers

nitrogen atomic no.=7
electron=7its electronic configuration =1s2 2s2 2p3

Answer:

2,5 or 7

Explanation:

A neutral atom of iron has a mass number of 56 and an atomic number of 26. How many protons, electrons and neutrons are in this atom? Explain how you determine each number.

Answers

so here its given ..
mass no. = 56
and atomic no. = 26

=> in an atom there is an equal number of electrons and protons ...(e=p)..
=> also atomic number is the number of the electrons or protons ..
=> so here we got the no. of electrons and protons ..which is 26 ..
=> to find the number of neutrons in an atom , subtract atomic number from the mass number..i.e, 56 - 26 = 30 ...

=> so  there are 26 electrons , 26 protons and 30 neutrons in the given atom ...

Hope it helps !!!

Compared to a 0.1 M aqueous solution of NaCl, a 0.8 M aqueous solution of NaCl has a(1) higher boiling point and a higher freezing point
(2) higher boiling point and a lower freezing point
(3) lower boiling point and a higher freezing point
(4) lower boiling point and a lower freezing point

Answers

Answer 2, because when you add salt to something, it cools faster (ex. When you add salt to an ice chest so that it stays cold) and it takes longer to boil (ex. When you boil salt out of ocean water so that its safe to drink) therefore, the more NaCl in the solution, the more it will exibit these properties

2. Explain how conduction, convection and radiation all contribute to heating the Earth'ssurface and atmosphere.

Answers

Answer: Conduction, radiation and convection all play a role in moving heat between Earth's surface and the atmosphere. Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface. ... During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction.

HOPE THIS HELPS

What is electropositivity and electronegativity? Between group 1 and group 17, which is electropositive and electronegative?

Answers

Electopositivity is the measure of the ability of elements to donate electrons to form positive ions. Whereas the Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. Group 1 is more electropositive than group 17 and group 17 is more electronegative than group 1.