science>Chemistry>Atoms and Molecules>Ions

Ions

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Ions: Overview

This Topic covers sub-topics such as Ions, Cation, Anion, Ionic Compounds, Naming of Common Ions and, Symbols Used for Common Ions

Important Questions on Ions

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science>Atoms and Molecules>Ions> Q 1

Which of these statements is true for ions? Circle ‘Yes’ or ‘No’ for the correct response.

Is the statement true?	Yes or No
An ion is always a single charged atom	Yes/No
An ion of a metal is always positively charged.	Yes/No
An ion of a non-metal is either positively or negatively charged	Yes/No

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science>Atoms and Molecules>Ions> Q 2

What are cations?

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science>Atoms and Molecules>Ions> Q 3

What is carbonate?

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science>Atoms and Molecules>Ions> Q 4

How do you name common polyatomic ions?

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science>Atoms and Molecules>Ions> Q 5

How to name sulphate ion?

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science>Atoms and Molecules>Ions> Q 6

What are the rules for naming ions?

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science>Atoms and Molecules>Ions> Q 7

A negatively charged ion is obtained by the release of an electron from an atom.

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science>Atoms and Molecules>Ions> Q 8

The molecular formula of the chloride of an element $X$ is $XCl$ . This compound is a solid having a high melting point. Which of the following elements be present in the same group as $X$ .

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science>Atoms and Molecules>Ions> Q 9

Sodium ion is a _____ (cation/anion).

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science>Atoms and Molecules>Ions> Q 10

What will be formed when an atom 'A' gains two electrons?

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science>Atoms and Molecules>Ions> Q 11

Give two examples of trivalent metal ions.

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science>Atoms and Molecules>Ions> Q 12

Which cation and anion are present in ${({CH}_{3} COO)}_{2} Mg$ ?

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science>Atoms and Molecules>Ions> Q 13

The chemical formulae of several substances are listed below :

${AlF}_{3}, Co, CoO, {NaBrO}_{3}, {Na}_{2} S, V_{2} O_{5}, {CaSO}_{4}, Cu$

Which substances contain polyatomic ion which have names ending in -ate?

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science>Atoms and Molecules>Ions> Q 14

Give an example each of a polyatomic element and a polyatomic ion.

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science>Atoms and Molecules>Ions> Q 15

What are polyatomic ions? List two examples.

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science>Atoms and Molecules>Ions> Q 16

What are cations and anions?

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science>Atoms and Molecules>Ions> Q 17

What are Positive and negative ions?