Advertisements
Advertisements
Question
The smallest particle of matter that can exist by itself is ______.
Advertisements
Solution
The smallest particle of matter that can exist by itself is atom.
APPEARS IN
RELATED QUESTIONS
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
Fill in the blank:
Atoms are _____
Define: Chemical bond
Fill in the blank
If an atom gains an electron, it is called an _______
Fill in the blank
An _______ is electrically neutral.
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
Which of the following statement is correct about the atom of an element ?
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
State true or false. If false, correct the statement.
An atom is electrically neutral.
Name the sub-atomic particles.
Draw the structure of an atom and explain the position of the sub-atomic particles.
Define the following term with an example.
Metal
The volume occupied by 4.4 g of CO2 at S.T.P ______
The first scientific theory about atoms was given by J J. Thomson.
Atoms have a radius of the order ______.
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 ______.
