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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Give Reason for the Following: Metals Form Cations While Non-metals Form Anions. - Chemistry

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प्रश्न

Give reason for the following:

Metals form cations while non-metals form anions.

एका वाक्यात उत्तर

उत्तर

Metals lose or donate valence electrons and form cations [positive ions], whereas Non-Metals gain or accept valence electrons and form anions [negative ions].

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पाठ 6: Metals and Non-metals - Objective Type Questions

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विराफ जे. दलाल New Simplified Middle School Chemistry [English] Class 7
पाठ 6 Metals and Non-metals
Objective Type Questions | Q 2.1

संबंधित प्रश्‍न

Write any three differences between metals and non-metals with respect to their physical properties.


Which of the following statements is correct?


State why concentrated sulphuric acid is not used for drying ammonia gas


Name a non-metal having a very high melting point.


 Fill in the blank: 

A metal stored in kerosene oil is _______


Fill in the blank 

A chemical compound that makes up the striking heads of match sticks is ......................... 


Write ‘true’ or ‘false’ for the following statement 

Sodium can be cut with a knife.  


 What do you understand by the term metal? 


State two important uses of following non-metal 

Uses of oxygen  


Name:

a non-metal with high m.p & b.p


Name:

a non metal which can form a positive ion


Give the effect of heat on metal oxides based on the activity series ?


With reference to the physical properties of metals and non-metals, state the following exception.

A non-metal which has low tensile strength


Complete the statement given below, by filling in the blank with the correct word:

A non-metal which allows an electric current to pass through it ______.


Complete the statement given below, by filling in the blank with the correct word:

A non-metal added to swimming pools to kill germs_____.


Select the appropriate option for the following statement:

The element placed in the extreme left of the Modern Periodic Table.


A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas C causes global warming

  1. Identify A, B and C
  2. To which Group of Periodic Table does A belong?

Boojho has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is non-metal?


Non – metals are ______.


The metal is stored in kerosene ______.


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