Structure of Matter

Author:West Bengal Board
8th West Bengal Board
IMPORTANT

Important Questions on Structure of Matter

HARD
IMPORTANT

In the following table a '-' represents a shared electron pair. Let us find out the similarities among the various entries in the table and have a grasp of the whole thing.

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MEDIUM
IMPORTANT

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Construct the formulae of the compounds using above table.

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HARD
IMPORTANT

Fill up the blank spaces in the following table.

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MEDIUM
IMPORTANT

Fill up the blank spaces in the following table.

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MEDIUM
IMPORTANT

A gold atom is heavier than an iron atom; 1 mg of which element - gold or iron - will contain a greater number of atoms? 

HARD
IMPORTANT

In the following table, diagrams of the atoms of lithium, sodium, magnesium and chlorine are shown. Complete the table with information regarding the quantities mentioned in it.

Atom Proton Electron Neutron Mass number Atomic number Symbol of the element

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MEDIUM
IMPORTANT

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In this diagram, Question ImageQuestion Image and Question Image represents proton, electron and neutron respectively. Find the atomic numbers and mass numbers of carbon and oxygen. How will you express this through symbols?