Classify the substances given in Fig. into elements and compounds

Answer:

Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same. Elements are pure substances that are composed of only one type of atom.

Compounds – Compounds are substances that are formed by two or more different types of elements that are united chemically in fixed proportions.

Mixtures – A mixture is a blend of two or more unbounded components or compounds; each component of the mixture preserves its own properties. (wood and sand)

Elements

Compounds

Copper(Cu)

NaCl(Aq)

Zinc(Zn)

H2O

Oxygen(O2)

CaCO3

Fluoride(F2)

 

Mercury(Hg)

 

Diamond

 

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