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Explain why carbon tetrachloride does not dissolve in water.
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Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
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What are the term defined below?
A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
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Draw the electron dot diagram and structure of nitrogen molecule.
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Draw the electron dot diagram and structure of magnesium chloride.
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Draw the electron dot diagram and structure of methane.
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What do you understand by dipole (polar) molecule?
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State the type of bond formed when the combining atom has zero E.N. difference.
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State the type of bond formed when the combining atom has small E.N. difference.
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State the type of bond formed, and draw Lewis structure of water.
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Explain the following:
Water is a polar covalent molecule.
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Element A has 2 electrons in its M shell. Element B has atomic number 7.
Write equations to show how A and B form ions.
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Element A has 2 electrons in its M shell. Element B has atomic number 7.
If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
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Element A has 2 electrons in its M shell. Element B has atomic number 7.
If the compound formed between A and B is melted and an electric current is passed through the molten compound, the element A will be obtained at the ______ and B at the ______ of the electrolytic cell.
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Draw the electron dot structure of the covalent compound methane (non polar) and HCl (polar) and give two difference between them.
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Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
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What is the difference between :
Ionic compounds and covalent compounds
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What is the difference between a polar covalent compound and a non-polar covalent compound?
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Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
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Explain the following:
Polar covalent compounds conduct electricity?
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