Question

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

Answer 1

✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽

➷ 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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