Advertisements
Advertisements
Question
Define the term matter. What is it composed of?
Advertisements
Solution
- Matter is defined based on its physical and chemical structure. It occupies space and has mass, particularly as opposed to energy.
- Atoms and molecules are the building blocks of matter, consisting of positively charged protons, neutral neutrons, and negatively charged electrons, respectively.
APPEARS IN
RELATED QUESTIONS
Give one difference between atoms and molecules.
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?
Define solvent.
Which of the following can be called a suspension ?
How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water ?
All the matter made of ______.
A standard sheet of paper is about ______ of atoms thick
The non S I and S I units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity:
| (A) | (B) | ||
| (a) | degree celsius | (i) | kilogram |
| (b) | centimetre | (ii) | pascal |
| (c) | gram per centimetre cube | (iii) | metre |
| (d) | bar | (iv) | kelvin |
| (e) | milligram | (v) | kilogram per metre cube |
Define the term matter.
