Is it possible to go through a wall without damaging it?
5.What is matter made up of?
(a) How large is a unit (particle)?
2006-11-13 15:49:21 · 2 個解答 · 發問者 Edward 1 in 科學 ➔ 化學
Is it possible to go through a wall without damaging it?
No, Solid cannot pass through solid.
5.What is matter made up of?
matter is made up of atoms.
(a) How large is a unit (particle)?
It is nanometer.
0.000000001 meter
2006-11-13 16:50:45 · answer #1 · answered by ? 7 · 0⤊ 0⤋
neutron: diameter=0.8 × 10^−15 m
2006-11-13 18:02:42 · answer #2 · answered by Wilson 7 · 0⤊ 0⤋