Ca, V, Co, Zn, As Gaseous atoms of which of these elements are paramagnetic? (A) Ca and As only (B) Zn and As only (C) Ca, V, and Co only (D) V, Co, and As only (E) V, Co, and Zn only

Asked by Last Modified  

3 Answers

Follow 0
Answer

Please enter your answer

EXPERT MATHEMATICIAN

d
Comments

ans is (D) V, Co, and As only Ca: 4s2 (all electrons are paired, NOT paramagnetic) V: 4s2 3d3 (the 3 d electrons are unpaired, PARAMAGNETIC) Co: 4s2 3d7 (3 of the d electrons are unpaired, PARAMAGNETIC) Zn: 4s2 3d10 (all electrons are paired, NOT paramagnetic) As: 4s2 3d10 4p3 (the 3...
read more
ans is (D) V, Co, and As only Ca: [Ar] 4s2 (all electrons are paired, NOT paramagnetic) V: [Ar] 4s2 3d3 (the 3 d electrons are unpaired, PARAMAGNETIC) Co: [Ar] 4s2 3d7 (3 of the d electrons are unpaired, PARAMAGNETIC) Zn: [Ar] 4s2 3d10 (all electrons are paired, NOT paramagnetic) As: [Ar] 4s2 3d10 4p3 (the 3 p electrons are unpaired, PARAMAGNETIC) read less
Comments

(D) V,Co,AND As ONLY
Comments

View 1 more Answers

Related Questions

Why embryo sac in flower is called 7 celled and 8 nucleate?
Number of cells = 3 antipodal cells + 2 synergids + 1 egg cell + 1 central cell= 7 cells. BUT the CENTRAL CELL HAS TWO POLAR NUCLEI IN IT. Therefore total number of nuclei = 7 + 1 extra in central cell= 8 nucleate.
Profile Photo
Daljit K.
How to set milestones to the career path?
Setting milestones in your career path involves defining specific goals to help you track progress. Here's a simple guide: Self-Assessment: Identify your skills, strengths, weaknesses, and interests....
Profile Photo
Abhishek Srivastava
0 0
View Comments8
Why Indians were outraged by the Rowlatt Act?
Because it gave the givergover autocratic powers to repress political activities.
Profile Photo
Dhanshri
0 0
View Comments9
Magnetic effects of current 1 what is lenz law? 2 explain briefly MCG?
An electric current induced by a changing magnetic field will flow such that it will create its own magnetic field that opposes the magnetic field that created it. A moving coil galvanometer is an instrument...
Profile Photo
Abdhesh

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Squares and square roots
One important thing to mention about square and square roots of a number is that square roots are always positive. i.e. √4 = 2 only. √4 ≠ (-2) because square roots are always positive. Although...
Profile Photo

Valuation of Goodwill
This is one of the introductory chapters at the graduation level as well as in professional exams. The brief notes on methods and calculation of goodwill in easy steps are presented below: Methods of...
Profile Photo

What is Computer?
Computers are human made electronic machines that perform tasks or calculations according to a set of instructions, or given programs. The first fully electronic computer machine was introduced in the...
Profile Photo

Do You Know How Is Size Of Structure Defined?
Size of the structure is defined based on multiplies of bigger data type member in the structure. Example: If a structure contains integer, char, short data type, then size of the Structure will be multiples...
Profile Photo

Kinds Or Classification Of Contracts
All the contracts may be broadly classified into following three main categories: According to enforceability i.e., legal validity. According to formation i.e., mode of creation. According to performance....
Profile Photo

Recommended Articles

Once over with the tenth board exams, a heavy percentage of students remain confused between the three academic streams they have to choose from - science, arts or commerce. Some are confident enough to take a call on this much in advance. But there is no worry if as a student you take time to make choice between - science,...

Read full article >

E-learning is not just about delivering lessons online. It has a much broader scope that goes beyond manual paper or PowerPoint Presentations. To understand the reach of E-learning and how the whole process works in developing the Educational system, we will discuss a few points here. Let us find out how this new learning...

Read full article >

With the mushrooming of international and private schools, it may seem that the education system of India is healthy. In reality, only 29% of children are sent to the private schools, while the remaining head for government or state funded education. So, to check the reality of Indian education system it is better to look...

Read full article >

While schools provide formal education to the children, the home is where they start learning about things informally. Parents think that schools will take the initiative to educate their children. Well, this is partially true, as parents also play an essential role in bringing up their child. For the development of particular...

Read full article >

Looking for Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you