Multiple choice general knowledge science & technology

The reason a granite block is mostly empty space is because the atoms in the granite are:

  1. Held together by electrical forces

  2. Invisible

  3. Mostly empty space themselves

  4. Not as close together as they could be
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Atoms themselves are overwhelmingly empty space - the nucleus is tiny compared to the overall size of the atom, and electrons occupy orbitals at relatively large distances from the nucleus. Since granite is made of atoms, it inherits this empty atomic structure. Electrical forces (Option A) hold atoms together, but that's not why there's empty space.

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