State modern periodic law....

State modern periodic law.

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State the modern periodic law.

(i) Classify as basic amphoteric or acidic. BeO, Al_(2)O_(3), CaO,SiO_(2) . (ii) State the modern periodic law.

Knowledge Check

As per the modern periodic law the physical and chemical properties of elements are periodic functions of their

A

Atomic volume

B

electronic configuration

C

atomic num

D

atomic size

Which of the following statements related to the modern periodic table is incorrect?

A

P-blcok has 6 columns, because a maximum of 6 electron can occupy all the orbitals in a. p-shell.

B

d-block has 8 columns, as a maximum of 8 electrones can occupy all the orbitals in a d-subhsell.

C

Each block contains a number of coloums. Equal to the number of electrons that an occupy that subshell.

D

Block indicates value of azimuthal quantum number (l) for last subshell that received electrons in building up electronic configuration.

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