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Subjects
Science State Board
Class 8
Atomic structure
Textbook questions
8.
Answer briefly III
Exercise condition:
4
m.
1.
Define the term ions or radicals.
When an
element or a group of atoms
atom or a group of atoms
ion or a group of ions
atom or a group of elements
loses or gains
protons
neutrons
ions
electrons
, they are converted to ions or radicals.
2.
What is a chemical equation?
A chemical equation is a
structural representation
symbolic representation
shorthand representation
formulae representation
of a chemical reaction with the help of chemical
atoms and formulae
symbols and formulae
symbols and elements
elements and formulae
.
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