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What determines the stability or reactivity of an atom?
The numbers of protons and neutrons in its nucleus, and the number of electrons in its valence shell. The number of protons and neutrons will affect the element and the isotope number, some isotopes are stable, some are not. Atoms are also more stable with a full outer energy level (octet rule - 8 electrons in the outermost shell).
What best describes the nucleus of an atom?
It’s the most massive part of the atom
What determines an element's reactivity?
The electrons determine the reactivity. How many valence electrons there are. It is easier to lose one electron rather than three, so an element with one valence electron will be more reactive than one with three.
Where is the special feature that determines the family name and chemical reactivity of the organic compound it is found?
The special feature that determines the family name and chemical reactivity of an organic compound is its functional group. Functional groups are specific arrangements of atoms within the compound that give it unique chemical properties and reactivity. The presence of a particular functional group in an organic compound helps classify it into a specific family and predict its reactions with other chemicals.
Fundamental unit of matter?
The fundamental unit of matter is an atom. Atoms are the building blocks of all elements and are composed of protons, neutrons, and electrons. They are extremely small, with a nucleus at their center surrounded by an electron cloud.
What is the reactivity of an atom determined by?
The reactivity of an atom is determined by the number of electrons in its outer energy level (valence electrons). Atoms with incomplete valence shells tend to be more reactive as they seek to gain, lose, or share electrons to achieve a stable electron configuration. Electrons in the outermost energy level are involved in chemical reactions.
Chemical reactivity of an atom is determined by?
Electron Configuration
Is an elements reactivity determined by the number of protons found in an atom of the element?
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Is an elements reactivity is determined by the number of protons found in an atom of the element?
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What is the difference between the atomic number and the valence number of an atom?
Describe the reactivity of halogens
Which factors is the most significant when considering the reactivity of an atom?
The most significant factors when considering the reactivity of an atom include the number of valence electrons present, the electronegativity of the atom, and its atomic size. These factors influence how readily an atom will form chemical bonds and participate in reactions.
What are the chemical properties and reactivity of the haloalkane functional group?
Haloalkanes are organic compounds that contain a halogen atom bonded to a carbon atom. They are generally unreactive due to the electronegativity of the halogen atom, which reduces the electron density on the carbon atom. However, they can undergo substitution reactions where the halogen atom is replaced by another group. This reactivity can be influenced by factors such as the type of halogen and the structure of the molecule.
Does the electron determine the reactivity of an atom?
The number of electrons an atom has in its outer shell, and how easily those electrons can be gained or lost, determines an atom's reactivity. Electrons play a crucial role in forming chemical bonds, and the availability of electrons in the outer shell influences how likely an atom is to react with other atoms.
What are valence shell electrons?
Electrons in the outermost orbitals of an atom. They determine the chemical reactivity of an atom and are the primary electrons that participate in chemical reactions.
What can you tell about an atom that has high electronegativity?
For metals high electronegativity mean low reactivity; for halogens, C, O, N, S, etc. the meaning is high reactivity.
What is responsible for an atoms reactivity?
An atom's reactivity is determined by the number of electrons in its outer shell. Atoms with incomplete outer shells tend to be more reactive as they seek to gain, lose, or share electrons to achieve a stable configuration. Factors like electronegativity and electron affinity also play a role in determining an atom's reactivity.
What are valence shells?
Electrons in the outermost orbitals of an atom. They determine the chemical reactivity of an atom and are the primary electrons that participate in chemical reactions.
