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1. Inorganic Chemistry
Basic Questions and Answers Help

2. 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.

3. The Most Basic Questions Asked in The
Inorganic Chemistry are as Follows

4. What are Elements?
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, neutron and electrons. The
centres of the atom is called nucleus which contains
both protons and neutrons while the electrons
revolve around the nucleus in fixed paths called
orbital's. The most common elements are Hydrogen,
Nitrogen, carbon and oxygen.

5. What are Chemical Compounds?
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
ground water. Every water molecule will have same
composition. Other compounds may be the complex
combination of molecules like sodium chloride (NaCl),
sodium hydroxide (NaOH), aluminium sulphate
Al2(SO4)3 etc. The combination of different molecules
takes place according to the charged atoms known as
anions and cautions. An anion always combines with a
suitable caution.

6. What are Metals?
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 are sodium, potassium,
mercury etc. the atoms of metals are electron
donors so they possess positive charge in their
ionic state. They are said to be ‘electropositive’
or ‘cautions’. Some popular metals are Iron (Fe),
Sodium (Na), Potassium (K) etc.

7. What are Non-Metals?
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.

8. How is the Naming of Inorganic
Compounds Done?
The system of naming of the inorganic
compounds is called Nomenclature approved
by IUPAC (International Union for 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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