kaitlynhb01
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Which of the following statements about the atom is false? a. Each atom has a tiny nucleus at its center. b. All the protons and neutrons are located in the nucleus. c. Electrons travel in definite circular pathways around the nucleus. d. All atomic nuclei are positively charged.

Respuesta :

The false statement is C. According to the Heisenburg uncertainty principle, which inspired the modern 'Electron Cloud' model of the atom, it is nearly impossible to predict an electron's path around the atom. The model statement C is referring to is the Neils Bohr model of the atom, which is useful, but inaccurate.
ayfat23

The statement that is false about atom in the question is d. All atomic nuclei are positively charged.

  • An atom can be regarded as smallest unit of matter which made up of a chemical element, with positively charged nucleus composed of proton which has positive charge with electron which has a negative charge with nucleus.
  • Properties of an atom include;
  1. small nucleus which is at center.
  2. protons and neutrons been secured in nucleus.
  3. Electrons go on  circular pathways around the nucleus and it is a negative charge particles.

Therefore, option D is correct because an atom has three particles with different charges

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