Question

What are the ions present in these compounds

Answer 1

Explanation:

(i) Write the electron-dot structures for sodium, oxygen and magnesium. (ii) Show the formation of Na2O and MgO by the transfer of electrons. (iii) What are the ions present in these compounds?| Unit3 Chemistry NCERT solution-Grade-10 HOPE ITS HELPFUL............... ........... PLZ FOLLOW ME

Answer 2

The ions present in the compound $Na_{2}O$ are: $2Na^{+}$(sodium ions) and $O^{2-}$ (oxide ion).

The ions present in the compound MgO are $Mg^{2+}$(Magnesium ion) and  $O^{2-}$ (oxide ion).

Explanation:

• An ion is an atom or group of atoms that has an unequal number of electrons and protons. This causes an electric charge in the ion.
• There are two types of ions – cation and anion. An atom which lacks electrons is called a cation. And If the number of electrons is greater than that of protons, then the ion has -ve charge and is also called an anion.
• The ions in the given compounds are mentioned above with their respective +ve and -charges.

Learn more: Compound

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