CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

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.

Open in App
Solution

(i) There are 18 groups and 7 periods in the modern form of periodic table.
(ii) Most electropositive elements belong to the first group.
(iii) Most electronegative elements belong to the seventeenth group.
(iv) Energy released when electron is added to a neutral gaseous atom is called electron affinity.
(v) Size of the atoms decreases from left to right across a period and increases on descending in a group of normal elements.
(vi) The maximum electronegativity is shown by fluorine.
(vii) Noble gases have zero electron affinity.

flag
Suggest Corrections
thumbs-up
4
BNAT
mid-banner-image
similar_icon
Similar questions
View More