(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Name two elements in halogens.

Name two elements in Inert gas.

Name two elements in each case: 

Transition element

Name two elements in each case: Lanthanides

Name two elements in each case: 

Actinides

What do you understand by typical elements?

Name the metals in the first twenty elements.

Name the type of elements which have outermost shell complete.

Name the type of elements which have outermost shell incomplete.

Name the type of elements which have two outermost shell incomplete.

Name the type of elements which have one electron short of octet.

Name the type of elements which have two electrons in the outermost orbit.

State its position in the periodic table?

Answer the following in respect of element `31/15 P `

To which group and period does it belong?

Arrange the elements of second and third periods in increasing order of their atomic size.

Third Period.

How do atoms attain noble gas configuration?

How does the electronic configuration of an atom relate to its position in the modern periodic table?

Define a chemical bond.

Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.

Answer the following in respect of element `31/15 P`

Give its electronic configuration