1. How many periods and groups are present in the periodic table?

• a) 7 periods and 18 groups

• b) 8 periods and 7 groups

• c) 7 periods and 7 groups

• d) 8 periods and 8 groups

PREDICT THE FORM PERIODIC TABLE IN THE GIVEN PICTURE

• MENDELEEVE LAW OF PERIODIC TABLE.

• DOBEREINERS LAW OFPERIODIC TABLE.

• NEWLANDS LAW OF PERIODIC TABLE.

• MORDEN PERIODIC TABLE.

PREDICT THE FORM PERIODIC TABLE IN THE GIVEN PICTURE

• MENDELEEVE LAW OF PERIODIC TABLE

• DOBEREINERS LAW OFPERIODIC TABLE

• NEWLANDS LAW OF PERIODIC TABLE.

• MORDEN PERIODIC TABLE.

ARRANGE THE FOLLOWING SHELL IN ORDER OF INCREASING ENERGY.

• M ˂ N˂ L˂ K

• K ˂ L˂ M˂ N

• K ˂ L˂ N˂ M

• K ˂ M˂ L˂ N

PREDICT THE ELEMENT

• He

• Ce

• Se

• Ne

Br element belongs to Halogen family. .Outermost Electronic Configuration of Br will be

• 2p^2,2p⁵

• 3p^2,3p⁵

• 4p^2,4p⁵

• 5p^2,5p⁵

element x has outermost electronic configuration -3d^7,4s^{2 it belongs to}

• d block and 4^th period

• d block and 3^th period

• s block and 3^th period

• s block and 4^th period

in the given picture predict the block ,group and period of Q ELEMENT

• S block,1^st group and 2^nd period

• S block,2^st group and 2 ^nd period

• S block,1^st group and 1period

• S block,2^st group and 1period

In the given picture Q ,R,T elements belongs to which group

• 1^{st (alkaline earth metal group)}

• 1^{st (alkali base group)}

• 1^{st (alkali group)}

• 1^{st (alkaled group)}

write the name of E,G,Z,J,M, ELEMENT

• B,F,N,O,C

• B,C,N,O,F

• B,C,O,N,F

• B,N,C,O,F