Inorganic chemistry is one of the three branches of chemistry, the other two being organic chemistry and physical chemistry. It is the study of obtaining and refining of mineral and inorganic elements other than those having organic composition. The chemical reactions pertaining to elements are studied in inorganic chemistry. Sometimes the questions related to the inorganic chemistry homework and assignments prove tricky and confusing at the same time. The answers become very difficult to find. The online professional nursing assignment help then becomes the only choice for nursing students.

The most basic questions asked in the inorganic chemistry are as follows. These are simultaneously answered in the best possible way so as to suit the requirements of the students of nursing:

Important Questions Are Given Below:

Q1. What are elements?

Ans. These are substances found on the earth. These may be present in the air, water or soil. The elements found in the soil are called mineral elements. These elements are made up of similar atoms. The atoms, in turn, have three types of entities known as protons, neutrons, and electrons. The center of the atom is called nucleus which contains both protons and neutrons while the electrons revolve around the nucleus in fixed paths called orbitals. The most common elements are Hydrogen, Nitrogen, carbon, and oxygen.

Q2. What are chemical compounds?

Ans. Chemical compounds are made up of dissimilar atoms arranged as molecules. Different types of atoms are bonded together in a compound in a fixed proportion. For example, every molecule of water is always having two atoms of hydrogen and one atom of oxygen i.e. H2O. This water may be from a pond, lake, ocean or groundwater. Every water molecule will have the same composition. Other compounds may be the complex combination of molecules like sodium chloride (NaCl), sodium hydroxide (NaOH), aluminum sulfate Al2(SO4)3 etc. The combination of different molecules takes place according to the charged atoms known as anions and cations. An anion always combines with a suitable cation.

Q3. What are metals?

Ans. Those elements which are solid, hard, malleable and ductile are called metals. Malleability is the property of being transformed into sheets and ductility is the property of being drawn into wires. All metals except some are malleable and ductile. The exception is sodium, potassium, mercury etc. the atoms of metals are electron donors so they possess the positive charge in their ionic state. They are said to be ‘electropositive’ or ‘cations’. Some popular metals are Iron (Fe), Sodium (Na), Potassium (K) etc.

Q4. What are non-metals?

Ans. The elements which are not having properties like metals e.g. malleability and ductility are called non-metals. The atoms of these elements are electron acceptors so they possess negative charge in their ionic state. They are said to be ‘electronegative’ or ‘anions’. While designating formula for a compound, usually the metal atom/atoms is/are placed first, followed by the non-metal atom/atoms. For example, in NaCl, Na or sodium is the metal and is placed first while Cl or chlorine/chloride is the non-metal and is placed after the metal atom.Note: If the substance does not contain a metal atom, then the least electronegative element is placed at the beginning of the formula e.g. NH

Note: If the substance does not contain a metal atom, then the least electronegative element is placed at the beginning of the formula e.g. NH3.

Q5. How is the naming of inorganic compounds done?

Ans. The system of the naming of the inorganic compounds is called Nomenclature approved by IUPAC (The International Union of Pure and Applied Chemistry) in 1960. In this naming, the electropositive elements are pronounced first followed by the name of valence state of the electronegative element. For example, NaCl is pronounced as sodium chloride and not sodium chlorine as the valence state of chlorine is called chloride.

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