Q. The formula Na₂O shows Na oxidation number to be

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Q. The ions containing sulfur and oxygen are called

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Q. The naming of compounds was given by German chemist

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Q. The oxidation number for oxygen will always be

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Q. Atom or ion is more reduced when there is higher

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Q. The ions which are formed by the combination of two or more different atoms are called

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Q. Higher positive oxidation numbers show that the atom is

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Q. Reduction is the decrease in

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Q. Element that has oxidation number greater than +4 is

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Q. Element that has oxidation number greater than +4 is

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Q. The oxidation number of Period 3 element arises until it reaches the element

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Q. Potassium oxide is a/an

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Q. The greater the difference in electronegativity of Oxygen and Period 3 elements, the highly likely is the formation of

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Q. The acidic molecules formed by non-metals of Period 3, act as

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Q. Which of the given metals of Period 3 use the outer shell electrons in bonding with Chlorine?

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Q. The oxides of Al and Si are

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Q. Upon reacting with alkalis, insoluble oxides of non-metals of Period 3 form

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Q. By accepting H⁺ ions from water molecules, metal oxides ions of Period 3 act as

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Q. In water, the oxides of Na and Mg produce

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Q. Period 3 metal that has the highest electronegativity is

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