PERIODIC TABLE AND PERIODIC PROPERTIES

AN ELEMENT IS IN PERIOD 2 AND GROUP 14. NAME THE ELEMENT

(a)  

AN INERT GAS OF PERIOD THIRD IS (a)  

IN PERIOD 3 OF THE PERIODIC TABLE, ELEMENT B IS PLACED TO THE LEFT OF THE ELEMENT A,

ELEMENT B IS HAVING (a)   METALLIC CHARACTER.

(HIGHER/ LOWER)

among the elements given below, an element with least electronegativity

• Lithium

• Carbon

• Boron

• Fluorine

Metals are good (a)   agents (oxidising/ reducing ) because they are electron donors.

Across a period ionisation potential (a)  

The most electronegative element in the periodic table.

(a)  

Diagonal elements are also known as (a)   elements

An element having maximum ionisation energy in the periodic table.

• He

• Fluorine

• Hydrogen

• chlorine

Ionisation energy is the amount of energy (a)   to remove an electron from isolated neutral gaseous atom to form positive ion.