PERIODIC TABLE AND PERIODIC PROPERTIES

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

AN INERT GAS OF PERIOD THIRD IS ___________

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

ELEMENT B IS HAVING _____________ METALLIC CHARACTER.

(HIGHER/ LOWER)

among the elements given below, an element with least electronegativity

• Lithium

• Carbon

• Boron

• Fluorine

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

Across a period ionisation potential ____________

The most electronegative element in the periodic table.

Diagonal elements are also known as __________ elements

An element having maximum ionisation energy in the periodic table.

• He

• Fluorine

• Hydrogen

• chlorine

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