Question

Write four properties for each sub-atomic particles present in an atom.

Answer 1

Answer:

Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons.

Answer 2

• Proton (p+) is positively charged particle of the atomic nucleus. The atomic number of an element represents the number of protons in the nucleus.

• Electron (e-) is negatively charged particle that can occupy a volume of space (orbital) around an atomic nucleus. All atoms of an element have the same number of electrons (i.e. any Chlorine atom is going to have 17 electrons). Electrons can be shared or transferred among atoms.

• Atoms have an equal number of protons and electrons; therefore, they have a no net charge.

•  Ion is an atom that has gained or lost one or more electrons, thus becoming positively or negatively charged.

• Neutron is an uncharged particle of the nucleus of all atoms EXCEPT hydrogen. For a given element, the mass number is the number of protons and neutrons (nucleons) in the nucleus.

•  Isotope is one of two or more forms of atoms of an element that differ in their number of neutrons. They have the same atomic number (same number of protons and electrons), but a different mass number due to more or fewer neutrons.

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