Domanda del libro di testo
Use carbon-12, the most common isotope of carbon, to define these terms: atomic number, mass number, valence. Which of these numbers is most related to the chemical behavior of an atom? Explain.
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2. Chemistry
Atoms - Smallest Unit of Matter
Scelta multipla
Which subatomic particle is found in the nucleus of all atoms?
A
Electron
B
Proton
C
Positron
D
Neutron
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Understand the structure of an atom: An atom consists of a nucleus and an electron cloud. The nucleus contains protons and neutrons, while electrons orbit around the nucleus.
Identify the subatomic particles: Atoms are made up of three main subatomic particles: protons, neutrons, and electrons.
Determine the location of each particle: Protons and neutrons are located in the nucleus of an atom, while electrons are found in the electron cloud surrounding the nucleus.
Focus on the question: The problem asks which subatomic particle is found in the nucleus of all atoms. This means we are looking for a particle that is always present in the nucleus.
Conclude based on the information: Since protons are positively charged particles found in the nucleus of every atom, they are the subatomic particles that fit the criteria of being in the nucleus of all atoms.
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