No air
yes most of the universe is empty space
empty space
Nothing. That is the most common feature of outer space.
Most people who went into outer space have survived.
Usually, in most substances the speed of light is slower than in empty space.
EMPTY SPACE! Over 99% of an atom is empty space. The nucleus is in the center and contains neutrons and protons and this is where most of the mass of an atom is.
electron cloud
Empty space.
Empty space.
The space in between gas molecules is not "just empty space." It is filled with constantly moving and colliding molecules. Gas molecules are in constant motion, so even though there may be more space between them compared to liquids or solids, the space is not truly empty.
Most of the atom is empty space (between the electron orbitals and the nucleus itself). If your talking about nucleus vs. electrons then the nucleus is larger in volume and mass
Ernest Rutherford was the first scientist to describe an atomic model in which most of the atom is empty space. His model proposed that atoms have a dense positive nucleus surrounded by orbiting electrons in empty space.