Single Choice

A pair of atomic numbers which belong to s-block are _________.

A44027
B43994
C44091
D43902
Correct Answer

Solution

Atomic number 3 is lithium belongs to 1 group.
Atomic number 12 is magnesium which belongs to 2 group.
Both 1 and 2 groups belongs to s-block.

SIMILAR QUESTIONS

Periodic Classification of Elements

The metal showing resemblance with lithium is

Periodic Classification of Elements

In what way the electronic configuration of hydrogen is similar to that of the electronic configuration of alkali metals?

Periodic Classification of Elements

Examine the given electronic configurations. $$A-1s^{2}\ 2s^{2}\ 2p^{6}\ 3s^{2}\ 3p^{6}\ 3d^{10}\ 4s^{2}$$ $$B-1s^{2}\ 2s^{6}\ 3s^{1}$$ $$C-1s^{2}\ 2s^{2}\ 2p^{1}\ 3s^{2}\ 3p^{6}$$ $$D-1s^{2}\ 2s^{2}\ 2p^{6}\ 3s^{2}$$ $$E-1s^{2}\ 2s^{2}\ 2p^{6}\ 3s^{2}\ 3p^{6}\ 4s^{2}$$ Which element has highest metallic character?

Periodic Classification of Elements

Aqueous solution of which salt will not contain ions with the electronic configuration $$1{s}^{2} 2{s}^{2} 2{p}^{6} 3{s}^{2} 3{p}^{6}$$?

Periodic Classification of Elements

A group of elements in the periodic table are given below ( boron is the first member of the group and thallium is the last). Boron , Aluminium , Gallium , Indium , Thallium. Answer the following question in relation to the above group of elements : If the electronic configuration of aluminium is $$ 2 , 8 , 3 $$ how many electrons are there in the outers shell of thallium.

Periodic Classification of Elements

This question refers to elements of the periodic table with atomic numbers from $$3$$ to $$18$$. In the table below, some elements are shown by letters, even though the letters are not the usual symbols of the elements. $$3$$ $$4$$ $$5$$ $$6$$ $$7$$ $$8$$ $$9$$ $$10$$ $$A$$ $$B$$ $$C$$ $$D$$ $$E$$ $$F$$ $$G$$ $$H$$ $$11$$ $$12$$ $$13$$ $$14$$ $$15$$ $$16$$ $$17$$ $$18$$ $$I$$ $$J$$ $$K$$ $$L$$ $$M$$ $$N$$ $$O$$ $$P$$ Which of these is an alkali metal?

Periodic Classification of Elements

In which part of a group would you separately expert the elements to have the greatest metallic character?

Periodic Classification of Elements

Name the alkali metals. How many electrons do they have in their outermost orbit?

Periodic Classification of Elements

The highly metallic element will have the configuration of :

Periodic Classification of Elements

The valence shell electronic configuration of alkali metals is

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