Which two elements of the following belong to the same period? Al, Si, Ba and O

Asked by Last Modified  

Follow 2
Answer

Please enter your answer

Tutor

Al and Si as they both belong to period 3 rd . Moreover on the basis of electronic cinfiguration their period can be found For example Al has 2,8,3 while Si has 2,8,4 thus there are three shell ie K,Land M in each of the atom
Comments

online or home tuition I will teach

Al,Si belongs same.3rd period.
Comments

Related Lessons

Inert Pair Effect
On moving down in a group in p-block the higher valency becomes less stable and lower valencies become more stable. For example: Stability : C+4 > Si+4 > Ge+4 > Sn+4 > Pb+4 ...
Profile Photo

CORRECT TECHNIQUE = 1ST STEP TOWARDS SUCCESS
CHEMISTRY The main problem among students is fear, when they start studying chemistry from class IX actually. Unfortunately the curriculum in all boards is designed in such a way, that the basic concepts...
Profile Photo

Writing Chemical Formula
WRITING CHEMICAL FORMULA- *The Chemical Formula is a representation of a substance by means of the symbol. THE RULES FOR WRITING CHEMICAL FORMULA ARE- *The...
A

Abhishek J.

1 0
View Comments0

ATOMIC STRUCTURE AND ITS IMPORTANCE
Hello friends, Atomic stucture is an important chapter in class 11. It's very intresting topic and easy to learn. Atoms have many sub-atomic particles, among them basic and important are listed below. They...
Profile Photo

Recommended Articles

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 >

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 >

Learning for every child starts from a very young age. While the formal methods include school curriculums and private lessons, the informal methods include dancing, music, drawing, and various fun-filling activities. Playing games and practising these types of activities helps the children get out of boredom and...

Read full article >

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 >

Looking for Class 11 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you