Match these items with their correct definitions. 1 . gas most pure basic substances 2 . elements combined atoms are different 3 . iupac tiny particles of elements 4 . compounds measures gravitational pull 5 . weight no fixed shape or volume 6 . mendeleev co 2 7 . atoms chemist who developed the periodic table 8 . carbon dioxide authority which assigns names to elements

➷ Gas - no fixed shape or volume

Elements - most pure basic substances

IUPAC - authority which assigns names to elements

Compounds - combined atoms are different

Weight - measures gravitational pull

Mendeleev - chemist who developed the periodic table

Carbon dioxide - CO2

Atoms - tiny particles of elements

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explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.

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