Q Diffrentiate between
a. Monatomic and Polyatomic molecule
b. Equation and chemical formula
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Answers
Answer:
Monatomic ions are composed of a single atom whereas polyatomic ions are composed of two or more atoms per ion. These ions can be either cations or anions. Both monatomic and polyatomic ions can form ionic compounds by having electrostatic attractions with the ions of opposite electrical charge.
Explanation:
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Answer:
a)Definition
Monatomic Ions: Monatomic ions are ions containing single atom per ion.
Polyatomic Ions: Polyatomic ions are ions composed of several atoms per ion.
Number of Atoms
Monatomic Ions: Monatomic ions are composed of single atom per ion.
Polyatomic Ions: Polyatomic ions are composed of several atoms per ion.
Formation
Monatomic Ions: Monatomic ions are formed by either losing or gaining electrons in the outermost shell of an atom.
Polyatomic Ions: Polyatomic ions are formed by bonding several atoms together via covalent bonds or coordinate covalent bonds.
Chemical Bonding
Monatomic Ions: There are no chemical bonds in monatomic ions.
Polyatomic Ions: There are covalent or coordinate covalent bonds in polyatomic ions.
Examples
Monatomic Ions: Examples for monatomic ions include Na+, K+, Cl–, etc.
Polyatomic Ions: Examples for polyatomic ions include NH4+, NO2–, NO3–, etc.
Conclusion
Monatomic ions and polyatomic ions are named according to the number of atoms present in those ions. The main difference between monatomic and polyatomic ions is that monatomic ions are composed of single atoms whereas polyatomic ions are composed of two or more atoms per ion.
b)A chemical reaction is a process that occurs when one or more reactants are changed into one or more new substances called products. Example: Hydrogen and oxygen gas combine to produce water.
A chemical equation is a symbolic representation of a chemical reaction where symbols of atoms are used to represent the elements that take part in a reaction. Numbers are used to represent the ratios of reactants and products to produce the reaction where the arrow points from reactants to products.
Ex: 2H 2(g)+O 2(g)→2H 2O(ℓ)