SC-50
Atoms
Lower Sec Science · Secondary 1 · Hard · Atoms
A student draws a simple model of an atom. He places small negative particles moving around a central region that contains positive particles and neutral particles.
Which statement about this model is correct?
Which statement about this model is correct?
- Protons and neutrons are in the centre, and electrons move around them.
- Electrons and neutrons are in the centre, and protons move around them.
- Only electrons are in the centre, and protons and neutrons move around them.
- All three particles are evenly spread out throughout the atom.
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