The formula of an oxide of element Y is Y2O3. 8.0 g of Y2O3 contains…
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The table in the question shows details of the particles present in an atom of…
Question Acid rain contains sulfuric acid and can cause lakes to become acidic. Acidic lakes…
Question Which row shows the correct structures of the covalent molecules C2H2; hydrazine, N2H4; nitrogen,…
An energy level diagram shows the energy change in a reaction. Enthalpy change, ΔH, represents…
Electrolysis is the process of using electricity to break down or decompose a compound (usually…
Redox Basics A redox reaction is a reaction where both oxidation and reduction processes occur…
What is a base? A base is any metal oxide (contains oxide ions, O2-) or…
What is an acid? An acid is a substance that produces hydrogen ions, H+, when…
Ionic Structure Formed between metallic atoms and non-metallic atoms by transfer of electrons. Metallic atoms…
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