Chemistry-
General
Easy

Question

An atom of an element has electronic configuration 2, 8, 1. Which of the following statement is correct

  1. (a) The element's valency is 7  
  2. The element exists as a diatomic molecule  
  3. (c) The element is of non-metallic nature  
  4. The element forms a basic oxide  

The correct answer is: The element forms a basic oxide

Related Questions to study

General
Chemistry-

In which of the following pairs the difference between the covalent radii of the two metals is maximum

In which of the following pairs the difference between the covalent radii of the two metals is maximum

Chemistry-General
General
Chemistry-

Radius of the isoelectronic species

Radius of the isoelectronic species

Chemistry-General
General
Chemistry-

The decreasing order of size of isoelectronic series K to the power of plus end exponent comma C a to the power of 2 plus end exponent comma C l to the power of minus end exponent and S to the power of 2 minus end exponent is

The decreasing order of size of isoelectronic series K to the power of plus end exponent comma C a to the power of 2 plus end exponent comma C l to the power of minus end exponent and S to the power of 2 minus end exponent is

Chemistry-General
parallel
General
Chemistry-

The atomic radius of elements of which of the following series would be nearly the same

The atomic radius of elements of which of the following series would be nearly the same

Chemistry-General
General
Chemistry-

Which of the following statements is correct

Which of the following statements is correct

Chemistry-General
General
Chemistry-

Point out the wrong statement :On moving horizontally from left to right across a period in the periodic table

Point out the wrong statement :On moving horizontally from left to right across a period in the periodic table

Chemistry-General
parallel
General
Chemistry-

Which of the following has largest ionic radius

Which of the following has largest ionic radius

Chemistry-General
General
Chemistry-

Which is helpful in the formation of ionic bond

Which is helpful in the formation of ionic bond

Chemistry-General
General
Chemistry-

Which of the following ionic radius would be maximum

Which of the following ionic radius would be maximum

Chemistry-General
parallel
General
Chemistry-

Smallest among these species is

Smallest among these species is

Chemistry-General
General
Chemistry-

Which of the following is the correct order of ionic radii

Which of the following is the correct order of ionic radii

Chemistry-General
General
Chemistry-

Which one of the following should be most stable

Which one of the following should be most stable

Chemistry-General
parallel
General
Chemistry-

The correct order of radii is

The correct order of radii is

Chemistry-General
General
Chemistry-

Which of the following ion is the smallest ion

Which of the following ion is the smallest ion

Chemistry-General
General
Chemistry-

Which statement is correct

Which statement is correct

Chemistry-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.