Question

Select the correct answer.
Which sentence about particles in matter is true?
A.
Atoms are present in solids and liquids but not in gases.
B.
The particles of matter are in constant motion.
C.
The same kinds of atoms are found in different elements.
D.
When a solid changes to a liquid, the sizes of the particles change.

Answer 1

option c :. The same kinds of atoms are found in different elements.

Answer 2

B. The particles of matter are in constant motion  - is the correct answer.