Question

Fill in the blanks with the correct choice given in brackets.

(i) In an ionic compound, the bond is formed due to _____________ of

electrons. [sharing / transfer]

(ii) Zinc is _____________ reactive than aluminum. [less / more]

(iii) The chemical reaction in which heat is absorbed is known as

_____________ reaction. [endothermic / exothermic]

(iv) The molecular formula of ammonium sulphate is _____________.

[NH4SO4 / (NH4)2SO4]

(v) If an element has two electrons in its outermost shell, then it is likely to

be _____________. [Metallic / Non-metallic]​

Answer 1

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$\huge✍︎\fbox\orange{ÂŇ}\fbox{SW} \fbox\green{ÊŘ}:$

(i) In an ionic compound, the bond is formed due to transfer of electrons. [sharing / transfer]

(ii) Zinc is more reactive than aluminum. [less / more]

(iii) The chemical reaction in which heat is absorbed is known as endothermic reaction. [endothermic / exothermic]

(iv) The molecular formula of ammonium sulphate is (NH4)2SO4. [NH4SO4 / (NH4)2SO4]

(v) If an element has two electrons in its outermost shell, then it is likely to be Metallic. [Metallic / Non-metallic]

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