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 are mostly empty space - the nucleus is tiny compared to the overall size of the atom, and electrons are spread out in orbitals that occupy most of the volume. This means that even in solid objects like granite, most of the volume is actually empty space between atomic particles.

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