What is the oxidation number of Na in Na2SO4 What is the oxidation number of H in CaH2 What is the oxidation number of O in KClO4 What is the oxidation number of O in Na2Cr2O7 Is this a redox reaction? HCl (aq) + NH3 (aq) → NH4Cl (aq)
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
What is the oxidation number of Na in Na2SO4
What is the oxidation number of H in CaH2
What is the oxidation number of O in KClO4
What is the oxidation number of O in Na2Cr2O7
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