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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Name the Particle Or Particles You Would Expect to Find in : the Nucleus of an Atom - Chemistry

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प्रश्न

Name the particle or particles you would expect to find in :

The nucleus of an atom

एक पंक्ति में उत्तर
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उत्तर

The nucleus of an atom : protons and neutrons

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अध्याय 4: Atoms, Molecules and Radicals - Additional questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 4 Atoms, Molecules and Radicals
Additional questions | Q 19.2

संबंधित प्रश्न

ANSWER IN DETAIL

State the postulates of the Dalton’s atomic theory.


ANSWER IN DETAIL

Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?


 Fill in the blank:

Atoms are _____


Fill in the blank

An ion with negative charge is called _______


Define: Ions


Name two particles found inside the nucleus. What are they collectively called ?


What are orbits or shells ?


State Dalton’s atomic theory.


An atom has 13 protons and 14 neutrons.

How many electrons would be present in this atom ?


An atom has 13 protons and 14 neutrons.

What is the atomic mass of the atom ?


Is it possible to see atoms these days ? Explain your answer.


Which of the following statement is correct about the atom of an element ?


The basic unit of matter is ______.


K: Potassium:: C: ______.


Define the term ions or radicals.


Atoms of one element can be transmuted into atoms of other elements by ______


You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?


Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order

  1. Rutherford’s atomic model
  2. Thomson’s atomic model
  3. Bohr’s atomic model

A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.


Statement I: Atoms are electrically neutral as they contain equal number of positive and negative charges.

Statement II: Atoms of each element are stable and emit their characteristic spectrum.

In the light of the above statements, choose the most appropriate answer from the options given below:


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