# Which of the following statements is(are) true? For the false statements, correct them. a. All particles in the nucleus of an atom are charged. b. The atom is best described as a uniform sphere of matter in which electrons are embedded.

Which of the following statements is(are) true? For the false statements, correct them. a. All particles in the nucleus of an atom are charged. b. The atom is best described as a uniform sphere of matter in which electrons are embedded. c. The mass of the nucleus is only a very small fraction of the mass of the entire atom. d. The volume of the nucleus is only a very small fraction of the total volume of the atom. e. The number of neutrons in a neutral atom must equal the number of electrons.

### Video Transcript

Okay. So the scratching ask us which statement is true of force. So let's look at the first statement A says all particles in the nucleus of an atoms are charged for for the nuclear's we know it's composed of the neutron and proton neutron is not charged and proton has a positive charge one for one. So this statement is wrong because the neutron is not charged in the nuclear's. Mhm. So now the statement b the atom is best described and uniforms fear matter in which electrons are embedded. So of course this is wrong because we all know the atoms inside the atoms. There's a nuclear and as the surrounding electrons opting around the nuclear, so it's not embedded. So the second is also wrong. And the sea, the mass of the nuclear is only very small fraction of the mass of the entire atoms. And this student is wrong. As I mentioned, the atom is composed of the nuclear and the electrons surrounding electrons and the mass of the electrons of every tiny So the mass of the atom are concentrated on the nuclear. So how can we correct this sentence? It's actually the mass of the electron is only very small fractional with the mass of the entire atom, its electron. No, it's a nuclear. So now, how about d the value of the nuclear is only very small fraction of the total volume of the atom. This is right. And e the number of neutrons in the new neutral atom must equal to the number of electrons. And this statement is wrong in order to ensure that we can actually just give some examples. For example, for hydrogen atom, it doesn't have the neutral, it doesn't have neutral, it has one proton that does not have the neutral, the hydrogen has proton, but no neutral, and that means the neutron is not equal to proton. Um of course, you can find other examples, and that's it.

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