TRUE, The number of electrons in a neutral atom equals the number of protons., Electrons move around the atomic nucleus in energy levels, also called shells., Lower electron shells are smaller and sit closer to the nucleus., Electrons that are further from the nucleus have more energy., The second electron shell surrounds the first shell., The second shell occupies a bigger volume than the first shell., Electrons fill the lowest energy shell first., Electrons move to the next shell only after the lower shell is full., The first electron shell can hold a maximum of 2 electrons., The second electron shell can hold up to 8 electrons., Valence electrons are the electrons found in the outer shell of an atom., Chemical reactions only involve changes to outer-shell electrons., When systems change naturally, they tend to become more stable and have less energy., Electrons in the first shell experience the strongest attraction to the nucleus., Outer-shell electrons have the weakest electrostatic attraction to the nucleus., FALSE, The number of electrons in an atom is always larger than the number of protons., Energy levels and electron shells are two completely different things., Lower electron shells have a larger volume than outer shells., Electrons close to the nucleus have higher energy than electrons far away., The first shell surrounds the second shell., Electrons fill higher energy shells before filling the lower energy shells., Electrons will move to a new shell even if the lower shell is not full., The first electron shell can hold up to 8 electrons., The second electron shell can only hold a maximum of 2 electrons., Valence electrons are the electrons located in the inner shells., During chemical reactions, inner-shell electrons are the ones that change., When systems change naturally, they tend to become less stable and gain more energy., Electrons in the first shell have the weakest attraction to the nucleus., The first shell is bigger in volume than the second shell., Electrons with more energy are always found closer to the nucleus.

Electron Shells True/False

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