Advertisements
Advertisements
Question
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
Advertisements
Solution

APPEARS IN
RELATED QUESTIONS
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
WRITE SHORT ANSWER
What is radioactivity?
WRITE SHORT ANSWER
Name three inert gases.
Define:- Molecule
Write the names of `"FeS"` compounds :
Write the names of `"Na"_3"PO"_4` compounds :
Name two particles found inside the nucleus. What are they collectively called ?
Name three non-metals/radicals which have valency -1, -2, and -3.
Give two examples for each of ionic and covalent bond.
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
One nm is equal to :
An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
A compound containing one atom of carbon and two atoms of oxygen is ______.
Define the following term with an example.
Compound
An element is composed of ______ atoms.
Atoms of one element can be transmuted into atoms of other elements by ______
1 mole of Gold and Silver contain same number of atoms.
The first scientific theory about atoms was given by J J. Thomson.
Atoms have a radius of the order ______.
