A. Fill in the blanks with the correct words. 1. (Mixture/Compound) is formed by chemical combination of two or more elements. 2. (Hydrogen/Water) is an element and (water/ hydrogen) is a compound. 3. Chemical (symbols/formulae) are the abbreviations used to represent elements. 4. Chemical (abbreviation/formula) is the representation of a molecule of a compound using chemical symbols of its constituent elements. 5. (Atomicity/Valency) is the combining capacity of an element. 6. (N/Ni) is the chemical symbol of Nickel.
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1compound
hydrogen
symbol
formula
valency
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A)COMPOUND
B)WATER
C)SYMBOLS
D)FORMULA
E)VALENCY
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