Fill in the blanks by picking the correct option.
There are __ groups and_ periods in the extended form of periodic table. The group, all members of which are in gaseous state under ordinary conditions is_ group.Most electropositive elements belong to ____ group.

16,8,17,2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

18,7,18, 1

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

8,7,0,2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

16,8,18,1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 18,7,18, 1
There are 18 groups and 7 periods in the periodic table. All members of the 18th group (He, Ne, ar, Kr, Xe, Rn) are noble gases and the first group contains alkali metals (Li, Na, K, Rb, Cs) which are the most electropositive.

Suggest Corrections

Similar questions

Q. 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.

Q. All the members in a group of a long form of periodic table have the same :

What is meant in the periodic table by :

(a) a group, and

(b) a period ?

How many groups and periods are there in the modern periodic table? How do the atomic size and metallic character of elements vary as we move:

(a) down a group and
(b) from left to right in a period

_{90} Th

, a member of

I I I

group of Mendeleev's periodic table on losing

α

-particles forms a new element belonging to:

Join BYJU'S Learning Program

Fill in the blanks by picking the correct option. There are ________ groups and_________ periods in the extended form of periodic table. The group, all members of which are in gaseous state under ordinary conditions is_____ group.Most electropositive elements belong to ______ group.

The correct option is A 18,7,18, 1There are 18 groups and 7 periods in the periodic table. All members of the 18th group (He, Ne, ar, Kr, Xe, Rn) are noble gases and the first group contains alkali metals (Li, Na, K, Rb, Cs) which are the most electropositive.

Fill in the blanks by picking the correct option.
There are __ groups and_ periods in the extended form of periodic table. The group, all members of which are in gaseous state under ordinary conditions is_ group.Most electropositive elements belong to ____ group.

The correct option is A 18,7,18, 1
There are 18 groups and 7 periods in the periodic table. All members of the 18th group (He, Ne, ar, Kr, Xe, Rn) are noble gases and the first group contains alkali metals (Li, Na, K, Rb, Cs) which are the most electropositive.