Fill in the blanks:(i) There are ________ groups and ________ periods in the modern form of periodic table.(ii) Most electropositive elements belong to _________ group.(iii) Most electronegative elements belong to ________ group.(iv) Energy released when electron is added to a neutral gaseous atom is called ________.(v) Size of the atoms ________ from left to right across a period and _________ on descending in a group of normal elements.(vi) The maximum electronegativity is shown by _________.(vii) Noble gases have __________ electron affinity.

Fill in the blanks:(i) There are ________ groups and ________ periods

1.	Fill in the blanks:(i) There are ________ groups and ________ periods in the modern form of periodic table.(ii) Most electropositive elements belong to _________ group.(iii) Most electronegative elements belong to ________ group.(iv) Energy released when electron is added to a neutral gaseous atom is called ________.(v) Size of the atoms ________ from left to right across a period and _________ on descending in a group of normal elements.(vi) The maximum electronegativity is shown by _________.(vii) Noble gases have __________ electron affinity.
Answer» Fill in the blanks: (i) There are ________ groups and ________ periods in the modern form of periodic table. (ii) Most electropositive elements belong to _________ group. (iii) Most electronegative elements belong to ________ group. (iv) Energy released when electron is added to a neutral gaseous atom is called ________. (v) Size of the atoms ________ from left to right across a period and _________ on descending in a group of normal elements. (vi) The maximum electronegativity is shown by _________. (vii) Noble gases have __________ electron affinity.