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ORDER BY `video_id` desc Term 2 Chemical Bonding 9th Standard
Science What is chemical bond? Write the basic concept of Kossel - Lewis theory Define ionic bond What is covalent bond? Name of the following: Identify the following reactions as oxidation/reduction/redox reaction. What are oxidising agents? Given example Ionic bond is also called electrostatic bond. Ionic compounds are crystalline solids at room temperature. Covalent compounds have low melting point.
9th Standard Science - Term 2 Chemical Bonding Three Marks Questions
Question Bank Software Oct-09 , 2019
Term 2 Chemical Bonding Three Marks Questions
Reg.No. :
(a) An element which obtains the noble gas configuration of neon by losing three electrons.
(b) An element which gains two electrons to obtain noble gas configuration of Neon.
(a) Zn + CuSO4 \(\rightarrow\) Cu + ZnSO4
(b) CuO + H2\(\rightarrow\) Cu + H2O
(c) 2Mg + O2 \(\rightarrow\) 2MgO
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