Question

H2
Structure of Matter ,can someone tell what's mater​

Answer 1

Answer:

matter is something which has mass and occupies space

Answer 2

Answer:

A common or traditional definition of matter is "anything that has mass and volume (occupies space)". For example, a car would be said to be made of matter, as it has mass and volume (occupies space). ... Thus, matter can be defined as everything composed of elementary fermions.

hope it helps...