English

What Does the Word ‘Atom’ Mean ?

Advertisements
Advertisements

Question

What does the word ‘atom’ mean?

One Word/Term Answer
Advertisements

Solution

“atom” means‘indivisible”

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Atomic Structure - Additional questions

APPEARS IN

S.P. Singh Concise Chemistry [English] Class 7 ICSE
Chapter 4 Atomic Structure
Additional questions | Q 16

RELATED QUESTIONS

Why is it not possible to see an atom with naked eyes?


TRUE \ FALSE

Elements having a tendency to accept electrons are called metals

 


WRITE SHORT ANSWER

Name three inert gases.


ANSWER IN DETAIL

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


Write the names of the elements present in the:- 

Glucose


Fill in the blank

An ion with negative charge is called _______


 Name the particles which revolve around the nucleus.


Define: An Atom:


Fill in the blank

If an atom loses an electron, it acquires ______ a charge.


Fill in the blank

A charged particle is called an _____


Fill in the blank

A deficiency of electrons produces a ________ charge.


Write the relation between nanometre and metre.


How many times is a proton heavier than an electron?


An atom of an element X may be written as `""_9^4"X"`
(a) What does the figure 9 indicate?
(b) What does the figure 4 indicate?
(c) What is the number of protons in atom X?
(d) What is the number of neutrons in atom X?
(e) What is the number of electrons in atom X?
(f) How many electrons are there in the outermost shell of an atom of element X?
(g) Write the symbol of ion formed by an atom of element X.


For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.


Find the mass of 2 moles of nitrogen atoms.


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


Give brief information of three subatomic particles with reference to electrical charge, mass and location.


Define the following term with an example.

Metal


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×