English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

The smallest particle of matter that can exist by itself is ______. - Science

Advertisements
Advertisements

Question

The smallest particle of matter that can exist by itself is ______.

Fill in the Blanks

Solution

The smallest particle of matter that can exist by itself is atom.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Matter Around Us - Evaluation [Page 38]

APPEARS IN

Samacheer Kalvi Science - Term 1 [English] Class 7 TN Board
Chapter 3 Matter Around Us
Evaluation | Q II. 1. | Page 38

RELATED QUESTIONS

MATCH THE COLUMNAS

1. Jpham  Dalton a. Neutrons
2. Atom b. Model of the atom
3. Chadwick c.The atomic theory of matter 
4. Rutherfrod d. Positively  charged 
5. Protons e. Electricity neutral 
6. Nuclear  fusion  f. Generator of electricity 
7.Gamma -rays  g. High penetrating power 
  h.Energy in sun 

Write the names of the elements present in the :- 

Sulphuric acid


Write the names of the elements present in the:- 

Glucose


Write the names of the elements present in the:-

Acetic acid


 Give the charge and the mass of an electron, proton and neutron present in an atom ?


What are orbits or shells ?


Name three non-metals/radicals which have valency -1, -2, and -3.


Write the relation between nanometre and metre.


Why is it not possible to see an atom even with the most powerful microscope ?


What value has been given to the mass of this reference atom ?


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


How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)


Name the gas that.

Turns moist starch iodide paper blue black.


Elements X and Y have 1 and 7 electrons in their outermost shell respectively.

Which will form positive ion?


Select the correct answer to the statement given below:

The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.


State true or false. If false, correct the statement.

The basic unit of an element is molecule.


Assertion: An atom is electrically neutral.

Reason: Atoms have equal number of protons and electrons.


An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.


Define the following term with an example.

Non-metal


Define the following term with an example.

Metalloid


Define the term ions or radicals.


The volume occupied by 4.4 g of CO2 at S.T.P ______


Atoms of different elements having the same number of ______ are called isotones.


Does the solubility of a substance change with temperature? Explain with the help of an example.


What is the fundamental particle of an element?


The ______ are combination of atoms of various elements or the same element.


The first scientific theory about atoms was given by J J. Thomson.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×