Explanation:
Electrons are notably smaller than nucleons (protons and neutrons), however, they have an equal amount of charge to protons. This is why an atom with the same amount of protons as electrons is considered electrically neutral.
You are watching: Which two subatomic particles are located in the nucleus of an atom
The nucleus itself is positively charged, as the electrons are located relatively far away from the atomic center.
Explanation:
A nucleon is defined as a particle that is found in the nucleus of an atom. The nucleus is composed of proton particles and neutron particles. These are densely bound together to form a nucleus; thus, these two subatomic particles are nucleons.
Electrons are found in a wide radius outside the nucleus, and are not considered nucleons.
Explanation:
The experiment that confirms the atom structure is Rutherford"s gold foil experiment. In the experiment, alpha particles were directed toward a thin piece of gold foil and reflected radiation was detected. The result of the experiment showed very little reflection, and most of the radiation passed straight through the foil. The conclusion drawn was that the majority of atomic volume consists of a loose electron cloud, and only a small region is occupied by a dense nucleus capable of reflecting the alpha radiation.
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Example Question #3 : Help With Subatomic Particles
Where are electrons located in an atom?
Possible Answers:
In the electron cloud
In the nucleus
In the valence shell
In the dense nucleus
In the electron nucleus
Correct answer:
In the electron cloud
Explanation:
Electrons are located in an electron cloud, which surrounds a densely packed center known as the nucleus. The nucleus is composed of protons and neutrons. Note that the valence shell contains electrons, but only refers to the region of the electron cloud farthest from the nucleus.
The experiment that confirms the atom structure is Rutherford"s gold foil experiment. In the experiment, alpha particles were directed toward a thin piece of gold foil and reflected radiation was detected. The result of the experiment showed very little reflection, and most of the radiation passed straight through the foil. The conclusion drawn was that the majority of atomic volume consists of a loose electron cloud, and only a small region is occupied by a dense nucleus capable of reflecting the alpha radiation.
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Example Question #4 : Help With Subatomic Particles
Which of the following statements is false?
Possible Answers:
Protons are located in the nucleus. They determine the atomic number of an element and carry a positive charge.
Electrons are located in the electron cloud. They carry a net negative charge and contribute a negligible mass to the atomic weight of the element
The protons in the nucleus attract the electrons in the electron cloud
All of these statements are true
Neutrons are located in the nucleus and have a net neutral charge. The number of neutrons determines the isotope of the element, and thus contributes to the atomic weight of the element.
Correct answer:
All of these statements are true
Explanation:
All of the given statements are true.
Protons and neutrons are found in the atom"s nucleus. The number of protons is the factor used to identify an atomic element, while the number of neutrons contributes to the overall atomic mass and isotopic identity. Electrons are found in the electron cloud and have negligible mass (significantly less than protons or neutrons). Protons are positively charged, while electrons are negatively charged, creating an attraction force.
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Example Question #1 : Help With Subatomic Particles
What is the charge of a neutron?
Possible Answers:
Correct answer:
Explanation:
Neutrons have no charge. Electrons have a charge of
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Example Question #2 : Help With Subatomic Particles
Which subatomic particles are found in the nucleus of an atom?
Possible Answers:
Neutrons and electrons
Protons only
Protons, neutrons, and electrons
Protons and neutrons
Protons and electrons
Correct answer:
Protons and neutrons
Explanation:
Protons and neutrons are found in the nucleus of atoms, while electrons are found in orbitals around the nucleus.
See more: How Many Ounces Is An Egg S Are In An Ounce? What Is The Volume Of An Egg
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Example Question #7 : Help With Subatomic Particles
How many electrons does the
Possible Answers:
Correct answer:
Explanation:
First, start off by finding S (sulfur) on the periodic table. According to the period table, the atomic number for sulfur is 16. That means that sulfur (in it"s uncharged, unionized state) has 16 protons, and 16 electrons. Since this ion has a negative two charge, we know it has picked up two extra electrons. Thus
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